TY 2017 Form 990

(A) Name and title	(B) Average hours per week (list any hours for related organizations below dotted line)	(C) Position (do not check more than one box, unless person is both an officer and a director/trustee)	(E) Reportable compensation from related organizations (W-2/1099-MISC)
(1) SHUSTEK LEONARD...................................................................... CHAIRMAN OF THE BOARD	1.00 .................	X	X
(2) ANDERSON DAVID...................................................................... BOARD MEMBER	1.00 .................	X
(3) BADROS GREG...................................................................... BOARD MEMBER	1.00 .................	X
(4) BALASUBRAMANIAN CHITRA...................................................................... BOARD MEMBER	1.00 .................	X
(5) BELL C GORDON...................................................................... BOARD MEMBER	1.00 .................	X
(6) BOOCH GRADY...................................................................... BOARD MEMBER	1.00 .................	X
(7) BRUNER JUDY...................................................................... BOARD MEMBER	1.00 .................	X
(8) BUSCH JACK...................................................................... BOARD MEMBER	1.00 .................	X
(9) DAUGHERTY PAUL...................................................................... BOARD MEMBER	1.00 .................	X
(10) DONAHUE CAROLINE...................................................................... BOARD MEMBER	1.00 .................	X
(11) DUURSMA MARTIN...................................................................... BOARD MEMBER	1.00 .................	X
(12) EMERSON DAVID...................................................................... BOARD MEMBER	1.00 .................	X	X
(13) FAGAN EILEEN...................................................................... BOARD MEMBER	1.00 .................	X
(14) FEIGENBAUM EDWARD THRU 418...................................................................... BOARD MEMBER	1.00 .................	X
(15) FRIEL TOM...................................................................... BOARD MEMBER	1.00 .................	X
(16) GRAY PAUL...................................................................... BOARD MEMBER	1.00 .................	X
(17) HARDING BILL...................................................................... BOARD MEMBER	1.00 .................	X

(A) Name and title	(B) Average hours per week (list any hours for related organizations below dotted line)	(C) Position (do not check more than one box, unless person is both an officer and a director/trustee)	(E) Reportable compensation from related organizations (W-2/1099-MISC)
(18) HAYES DOTTY........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(19) HENDRIE GARDNER........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(20) HOUSE CHARLES........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(21) HOUSE DAVID........................................................................ BOARD MEMBER	1.00 .......................	X	X		0	0
(22) JOHNSON BOBBY........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(23) KARPAS PETER........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(24) MALACHOWSKY CHRIS........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(25) MARTIN DAVE........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(26) MASHEY JOHN........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(27) MCGOVERN LORE HARP........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(28) MCKINNEY PHILIP THRU 418........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(29) MEREDITH DEBBY........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(30) NASSI IKE........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(31) PAGE KAREN APPLETON........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(32) PAPADOPOULOS GREG........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(33) PROCTOR DON........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(34) REDELFS RICH........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(35) ROSSETTI DAVE........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(36) SAVIERS F GRANT........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(37) SHOCH JOHN........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(38) SMITH STEPHEN........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(39) SONSINI LARRY........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(40) STATA RAYMIE THRU 118........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(41) UDDENFELDT JAN THRU 418........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(42) WONG JANET........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(43) YOLER LAURIE........................................................................ BOARD MEMBER	1.00 .......................	X			0	0
(44) HOLLAR JOHN THRU 617........................................................................ PRESIDENT & CEO	40.00 .......................		X		392,854	465
(45) HOLMES GEORGE........................................................................ CHIEF FINANCIAL OFFICER	40.00 .......................		X		197,663	23,518
(46) LEWIN DAN'L AS OF 318........................................................................ PRESIDENT & CEO	40.00 .......................		X		0	0
(47) MATSUSHITA GARY........................................................................ VP OPERATIONS	40.00 .......................		X		174,654	24,074
(48) MERTZ MICHELLE........................................................................ CHIEF DEVELOPMENT OFFICER	40.00 .......................		X		247,077	16,345
(49) SILVER LAUREN........................................................................ VP EDUCATION	40.00 .......................		X		137,806	16,318
(50) TASHEV KIRSTEN........................................................................ VP COLLECTIONS & EXHIBITIONS	40.00 .......................		X		158,941	4,072
(51) ANDREWS JASON........................................................................ DIRECTOR OF CORPORATE DEVELOPMENT	40.00 .......................			X	119,151	11,096
(52) HANCOCK MARGUERITE........................................................................ EXECUTIVE DIRECTOR, EXPONENTIAL CTR.	40.00 .......................			X	198,924	22,146
(53) KATCHMAN LISA........................................................................ CONTROLLER	40.00 .......................			X	131,346	15,824
(54) MILLER PAMELA THRU 318........................................................................ ASSOCIATE VP OF DEVELOPMENT	40.00 .......................			X	197,018	14,888
(55) REILLY AMANDA........................................................................ DIR. OF FOUNDATIONS & GOVT. RELATIONS	40.00 .......................			X	121,010	23,363

(A) Name and business address	(B) Description of services	(C) Compensation
EXHIBIT CONCEPTS INC 700 CROSSROADS COURT VANDALIA,OH45377	EXHIBIT CONSTRUCTION SERVICES	518,131
MAI INDUSTRIES INC 50 BONAVENTURA DRIVE SAN JOSE,CA95134	BUILDING CONSTRUCTION SERVICES	366,779
CATERED TOO 325 DEMETER STREET E PALO ALTO,CA94303	CATERING SERVICES	278,573
BRILLIANT GENERAL MAINTENANCE INC 954 CHESTNUT STREET SAN JOSE,CA951101504	MAINTENANCE SERVICES	192,550
SUPREME BUILDING MAINTENANCE 2731 JUNCTION AVE PO BOX 641383 SAN JOSE,CA95164	MAINTENANCE SERVICES	188,462
2 Total number of independent contractors (including but not limited to those listed above) who received more than $100,000 of compensation from the organization 14

- TIN:

SCHEDULE A
(Form 990 or 990EZ)

Department of the Treasury
Internal Revenue Service

Public Charity Status and Public Support

Complete if the organization is a section 501(c)(3) organization or a section 4947(a)(1) nonexempt charitable trust.
right arrow

Attach to Form 990 or Form 990-EZ.
right arrow

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2019

Open to Public
Inspection

Name of the organization

COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Part I

Reason for Public Charity Status (All organizations must complete this part.) See instructions.

The organization is not a private foundation because it is: (For lines 1 through 12, check only one box.)

A church, convention of churches, or association of churches described in section 170(b)(1)(A)(i).

A school described in section 170(b)(1)(A)(ii). (Attach Schedule E (Form 990 or 990-EZ).)

A hospital or a cooperative hospital service organization described in section 170(b)(1)(A)(iii).

A medical research organization operated in conjunction with a hospital described in section 170(b)(1)(A)(iii). Enter the hospital's name, city, and state:

An organization operated for the benefit of a college or university owned or operated by a governmental unit described in section 170(b)(1)(A)(iv). (Complete Part II.)

A federal, state, or local government or governmental unit described in section 170(b)(1)(A)(v).

An organization that normally receives a substantial part of its support from a governmental unit or from the general public described in section 170(b)(1)(A)(vi). (Complete Part II.)

A community trust described in section 170(b)(1)(A)(vi). (Complete Part II.)

An agricultural research organization described in 170(b)(1)(A)(ix) operated in conjunction with a land-grant college or university or a non-land grant college of agriculture. See instructions. Enter the name, city, and state of the college or university:

An organization that normally receives: (1) more than 331/3% of its support from contributions, membership fees, and gross receipts from activities related to its exempt functions—subject to certain exceptions, and (2) no more than 331/3% of its support from gross investment income and unrelated business taxable income (less section 511 tax) from businesses acquired by the organization after June 30, 1975. See section 509(a)(2). (Complete Part III.)

An organization organized and operated exclusively to test for public safety. See section 509(a)(4).

An organization organized and operated exclusively for the benefit of, to perform the functions of, or to carry out the purposes of one or more publicly supported organizations described in section 509(a)(1) or section 509(a)(2). See section 509(a)(3). Check the box in lines 12a through 12d that describes the type of supporting organization and complete lines 12e, 12f, and 12g.

Type I. A supporting organization operated, supervised, or controlled by its supported organization(s), typically by giving the supported organization(s) the power to regularly appoint or elect a majority of the directors or trustees of the supporting organization. You must complete Part IV, Sections A and B.

Type II. A supporting organization supervised or controlled in connection with its supported organization(s), by having control or management of the supporting organization vested in the same persons that control or manage the supported organization(s). You must complete Part IV, Sections A and C.

Type III functionally integrated. A supporting organization operated in connection with, and functionally integrated with, its supported organization(s) (see instructions). You must complete Part IV, Sections A, D, and E.

Type III non-functionally integrated. A supporting organization operated in connection with its supported organization(s) that is not functionally integrated. The organization generally must satisfy a distribution requirement and an attentiveness requirement (see instructions). You must complete Part IV, Sections A and D, and Part V.

Check this box if the organization received a written determination from the IRS that it is a Type I, Type II, Type III functionally integrated, or Type III non-functionally integrated supporting organization.

Enter the number of supported organizations ...............................

Provide the following information about the supported organization(s).

(i) Name of supported organization	(ii) EIN	(iv) Is the organization listed in your governing document?		(v) Amount of monetary support (see instructions)	(vi) Amount of other support (see instructions)
(i) Name of supported organization	(ii) EIN	Yes	No	(v) Amount of monetary support (see instructions)	(vi) Amount of other support (see instructions)


Total

For Paperwork Reduction Act Notice, see the Instructions for
Form 990 or 990-EZ.

Cat. No. 11285F

Schedule A (Form 990 or 990-EZ) 2019

Page 2

Part II

Support Schedule for Organizations Described in Sections 170(b)(1)(A)(iv) and 170(b)(1)(A)(vi)
(Complete only if you checked the box on line 5, 7, or 8 of Part I or if the organization failed to qualify under Part III. If the organization failed to qualify under the tests listed below, please complete Part III.)

Section A. Public Support

Calendar year (or fiscal year beginning in)		(a) 2015	(b) 2016	(c) 2017	(d) 2018	(e) 2019	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grant.") ..	4,329,390	9,733,245	10,294,028	6,574,509	8,265,827	39,196,999
2	Tax revenues levied for the organization's benefit and either paid to or expended on its behalf....
3	The value of services or facilities furnished by a governmental unit to the organization without charge..
4	Total. Add lines 1 through 3	4,329,390	9,733,245	10,294,028	6,574,509	8,265,827	39,196,999
5	The portion of total contributions by each person (other than a governmental unit or publicly supported organization) included on line 1 that exceeds 2% of the amount shown on line 11, column (f)..						7,120,778
6	Public support. Subtract line 5 from line 4.						32,076,221

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2015	(b) 2016	(c) 2017	(d) 2018	(e) 2019	(f) Total
7	Amounts from line 4..	4,329,390	9,733,245	10,294,028	6,574,509	8,265,827	39,196,999
8	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources...	1,551,966	1,722,492	1,835,469	1,660,215	2,004,724	8,774,866
9	Net income from unrelated business activities, whether or not the business is regularly carried on..		12,563	62,384	33,996	0	108,943
10	Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.)..	21,440	20,341	27,701	58,645	87,930	216,057
11	Total support. Add lines 7 through 10						48,296,865

Gross receipts from related activities, etc. (see instructions) ..................

7,536,942

First five years. If the Form 990 is for the organization's first, second, third, fourth, or fifth tax year as a section 501(c)(3) organization, check this box and stop here........................................ right arrow

Section C. Computation of Public Support Percentage

Public support percentage for 2019 (line 6, column (f) divided by line 11, column (f)) .........

66.410 %

Public support percentage for 2018 Schedule A, Part II, line 14 ...............

63.850 %

16a

33 1/3% support test—2019. If the organization did not check the box on line 13, and line 14 is 33 1/3% or more, check this box
and stop here. The organization qualifies as a publicly supported organization ....................... right arrow

33 1/3% support test—2018. If the organization did not check a box on line 13 or 16a, and line 15 is 33 1/3% or more, check this
box and stop here. The organization qualifies as a publicly supported organization ..................... right arrow

17a

10%-facts-and-circumstances test—2019. If the organization did not check a box on line 13, 16a, or 16b, and line 14
is 10% or more, and if the organization meets the "facts-and-circumstances" test, check this box and stop here. Explain
in Part VI how the organization meets the "facts-and-circumstances" test. The organization qualifies as a publicly supported
organization ..................................................... right arrow

10%-facts-and-circumstances test—2018. If the organization did not check a box on line 13, 16a, 16b, or 17a, and line
15 is 10% or more, and if the organization meets the "facts-and-circumstances" test, check this box and stop here.
Explain in Part VI how the organization meets the "facts-and-circumstances" test. The organization qualifies as a publicly
supported organization ................................................ right arrow

Private foundation. If the organization did not check a box on line 13, 16a, 16b, 17a, or 17b, check this box and see
instructions ..................................................... right arrow

Schedule A (Form 990 or 990-EZ) 2019

Page 3

Part III

Support Schedule for Organizations Described in Section 509(a)(2)
(Complete only if you checked the box on line 10 of Part I or if the organization failed to qualify under Part II. If the organization fails to qualify under the tests listed below, please complete Part II.)

Section A. Public Support

Calendar year (or fiscal year beginning in)		(a) 2015	(b) 2016	(c) 2017	(d) 2018	(e) 2019	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grants.") .
2	Gross receipts from admissions, merchandise sold or services performed, or facilities furnished in any activity that is related to the organization's tax-exempt purpose
3	Gross receipts from activities that are not an unrelated trade or business under section 513 .....
4	Tax revenues levied for the organization's benefit and either paid to or expended on its behalf...
5	The value of services or facilities furnished by a governmental unit to the organization without charge
6	Total. Add lines 1 through 5
7a	Amounts included on lines 1, 2, and 3 received from disqualified persons
b	Amounts included on lines 2 and 3 received from other than disqualified persons that exceed the greater of $5,000 or 1% of the amount on line 13 for the year.
c	Add lines 7a and 7b..
8	Public support. (Subtract line 7c from line 6.)

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2015	(b) 2016	(c) 2017	(d) 2018	(e) 2019	(f) Total
9	Amounts from line 6...
10a	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources..
b	Unrelated business taxable income (less section 511 taxes) from businesses acquired after June 30, 1975.
c	Add lines 10a and 10b.
11	Net income from unrelated business activities not included in line 10b, whether or not the business is regularly carried on.
12	Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.) ..
13	Total support. (Add lines 9, 10c, 11, and 12.)..

First five years. If the Form 990 is for the organization's first, second, third, fourth, or fifth tax year as a section 501(c)(3) organization,
check this box and stop here............................................. right arrow

Section C. Computation of Public Support Percentage

Public support percentage for 2019 (line 8, column (f) divided by line 13, column (f)) .........

Public support percentage from 2018 Schedule A, Part III, line 15 ...............

Section D. Computation of Investment Income Percentage

Investment income percentage for 2019 (line 10c, column (f) divided by line 13, column (f)) ......

Investment income percentage from 2018 Schedule A, Part III, line 17 .............

19a

331/3% support tests—2019. If the organization did not check the box on line 14, and line 15 is more than 33 1/3%, and line 17 is not more than 33 1/3%, check this box and stop here. The organization qualifies as a publicly supported organization ....... right arrow

33 1/3% support tests—2018. If the organization did not check a box on line 14 or line 19a, and line 16 is more than 33 1/3% and line 18 is not more than 33 1/3%, check this box and stop here. The organization qualifies as a publicly supported organization .... right arrow

Private foundation. If the organization did not check a box on line 14, 19a, or 19b, check this box and see instructions .... right arrow

Schedule A (Form 990 or 990-EZ) 2019

Page 4

Part IV

Supporting Organizations

(Complete only if you checked a box on line 12 of Part I. If you checked 12a of Part I, complete Sections A and B. If you checked 12b of Part I, complete Sections A and C. If you checked 12c of Part I, complete Sections A, D, and E. If you checked 12d of Part I, complete Sections A and D, and complete Part V.)

Section A. All Supporting Organizations

Yes

Are all of the organization’s supported organizations listed by name in the organization’s governing documents?
If "No," describe in Part VI how the supported organizations are designated. If designated by class or purpose,
describe the designation. If historic and continuing relationship, explain.

Did the organization have any supported organization that does not have an IRS determination of status under section 509(a)(1) or (2)? If "Yes," explain in Part VI how the organization determined that the supported organization was described in section 509(a)(1) or (2).

Did the organization have a supported organization described in section 501(c)(4), (5), or (6)? If "Yes," answer (b) and (c) below.

Did the organization confirm that each supported organization qualified under section 501(c)(4), (5), or (6) and satisfied the public support tests under section 509(a)(2)? If "Yes," describe in Part VI when and how the organization made the determination.

Did the organization ensure that all support to such organizations was used exclusively for section 170(c)(2)(B) purposes? If "Yes," explain in Part VI what controls the organization put in place to ensure such use.

Was any supported organization not organized in the United States ("foreign supported organization")? If “Yes” and if you checked 12a or 12b in Part I, answer (b) and (c) below.

Did the organization have ultimate control and discretion in deciding whether to make grants to the foreign supported organization? If “Yes,” describe in Part VI how the organization had such control and discretion despite being controlled or supervised by or in connection with its supported organizations.

Did the organization support any foreign supported organization that does not have an IRS determination under sections 501(c)(3) and 509(a)(1) or (2)? If “Yes,” explain in Part VI what controls the organization used to ensure that all support to the foreign supported organization was used exclusively for section 170(c)(2)(B) purposes.

Did the organization add, substitute, or remove any supported organizations during the tax year? If “Yes,” answer (b) and (c) below (if applicable). Also, provide detail in Part VI, including (i) the names and EIN numbers of the supported organizations added, substituted, or removed; (ii) the reasons for each such action; (iii) the authority under the organization's organizing document authorizing such action; and (iv) how the action was accomplished (such as by amendment to the organizing document).

Type I or Type II only. Was any added or substituted supported organization part of a class already designated in the organization's organizing document?

Substitutions only. Was the substitution the result of an event beyond the organization's control?

Did the organization provide support (whether in the form of grants or the provision of services or facilities) to anyone other than (i) its supported organizations, (ii) individuals that are part of the charitable class benefited by one or more of its supported organizations, or (iii) other supporting organizations that also support or benefit one or more of the filing organization’s supported organizations? If “Yes,” provide detail in Part VI.

Did the organization provide a grant, loan, compensation, or other similar payment to a substantial contributor (defined in section 4958(c)(3)(C)), a family member of a substantial contributor, or a 35% controlled entity with regard to a substantial contributor? If “Yes,” complete Part I of Schedule L (Form 990 or 990-EZ) .

Did the organization make a loan to a disqualified person (as defined in section 4958) not described in line 7? If “Yes,” complete Part I of Schedule L (Form 990 or 990-EZ).

Was the organization controlled directly or indirectly at any time during the tax year by one or more disqualified persons as defined in section 4946 (other than foundation managers and organizations described in section 509(a)(1) or (2))? If “Yes,” provide detail in Part VI.

Did one or more disqualified persons (as defined in line 9a) hold a controlling interest in any entity in which the supporting organization had an interest? If “Yes,” provide detail in Part VI.

Did a disqualified person (as defined in line 9a) have an ownership interest in, or derive any personal benefit from, assets in which the supporting organization also had an interest? If “Yes,” provide detail in Part VI.

10a

Was the organization subject to the excess business holdings rules of section 4943 because of section 4943(f) (regarding certain Type II supporting organizations, and all Type III non-functionally integrated supporting organizations)? If “Yes,” answer line 10b below.

10a

Did the organization have any excess business holdings in the tax year? (Use Schedule C, Form 4720, to determine whether the organization had excess business holdings).

10b

Schedule A (Form 990 or 990-EZ) 2019

Page 5

Part IV

Supporting Organizations (continued)

Yes

Has the organization accepted a gift or contribution from any of the following persons?

A person who directly or indirectly controls, either alone or together with persons described in (b) and (c) below, the governing body of a supported organization?

11a

A family member of a person described in (a) above?

11b

A 35% controlled entity of a person described in (a) or (b) above? If “Yes” to a, b, or c, provide detail in Part VI.

11c

Section B. Type I Supporting Organizations

Yes

Did the directors, trustees, or membership of one or more supported organizations have the power to regularly appoint or elect at least a majority of the organization’s directors or trustees at all times during the tax year? If “No,” describe in Part VI how the supported organization(s) effectively operated, supervised, or controlled the organization’s activities. If the organization had more than one supported organization, describe how the powers to appoint and/or remove directors or trustees were allocated among the supported organizations and what conditions or restrictions, if any, applied to such powers during the tax year.

Did the organization operate for the benefit of any supported organization other than the supported organization(s) that operated, supervised, or controlled the supporting organization? If “Yes,” explain in Part VI how providing such benefit carried out the purposes of the supported organization(s) that operated, supervised or controlled the supporting organization.

Section C. Type II Supporting Organizations

Yes

Were a majority of the organization’s directors or trustees during the tax year also a majority of the directors or trustees of each of the organization’s supported organization(s)? If “No,” describe in Part VI how control or management of the supporting organization was vested in the same persons that controlled or managed the supported organization(s).

Section D. All Type III Supporting Organizations

Yes

Did the organization provide to each of its supported organizations, by the last day of the fifth month of the organization’s tax year, (i) a written notice describing the type and amount of support provided during the prior tax year, (ii) a copy of the Form 990 that was most recently filed as of the date of notification, and (iii) copies of the organization’s governing documents in effect on the date of notification, to the extent not previously provided?

Were any of the organization’s officers, directors, or trustees either (i) appointed or elected by the supported organization(s) or (ii) serving on the governing body of a supported organization? If "No," explain in Part VI how the organization maintained a close and continuous working relationship with the supported organization(s).

By reason of the relationship described in (2), did the organization’s supported organizations have a significant voice in the organization’s investment policies and in directing the use of the organization’s income or assets at all times during the tax year? If "Yes," describe in Part VI the role the organization’s supported organizations played in this regard.

Section E. Type III Functionally-Integrated Supporting Organizations

Check the box next to the method that the organization used to satisfy the Integral Part Test during the year (see instructions):

The organization satisfied the Activities Test. Complete line 2 below.

The organization is the parent of each of its supported organizations. Complete line 3 below.

The organization supported a governmental entity. Describe in Part VI how you supported a government entity (see instructions)

Activities Test. Answer (a) and (b) below.

Yes

Did substantially all of the organization’s activities during the tax year directly further the exempt purposes of the supported organization(s) to which the organization was responsive? If "Yes," then in Part VI identify those supported organizations and explain how these activities directly furthered their exempt purposes, how the organization was responsive to those supported organizations, and how the organization determined that these activities constituted substantially all of its activities.

Did the activities described in (a) constitute activities that, but for the organization’s involvement, one or more of the organization’s supported organization(s) would have been engaged in? If "Yes," explain in Part VI the reasons for the organization’s position that its supported organization(s) would have engaged in these activities but for the organization’s involvement.

Parent of Supported Organizations. Answer (a) and (b) below.

Did the organization have the power to regularly appoint or elect a majority of the officers, directors, or trustees of each of the supported organizations? Provide details in Part VI.

Did the organization exercise a substantial degree of direction over the policies, programs and activities of each of its supported organizations? If "Yes," describe in Part VI. the role played by the organization in this regard.

Schedule A (Form 990 or 990-EZ) 2019

Page 6

Part V

Type III Non-Functionally Integrated 509(a)(3) Supporting Organizations

Check here if the organization satisfied the Integral Part Test as a qualifying trust on Nov. 20, 1970 (explain in Part VI). See instructions. All other Type III non-functionally integrated supporting organizations must complete Sections A through E.

	Section A - Adjusted Net Income		(A) Prior Year	(B) Current Year (optional)
1	Net short-term capital gain	1
2	Recoveries of prior-year distributions	2
3	Other gross income (see instructions)	3
4	Add lines 1 through 3	4
5	Depreciation and depletion	5
6	Portion of operating expenses paid or incurred for production or collection of gross income or for management, conservation, or maintenance of property held for production of income (see instructions)	6
7	Other expenses (see instructions)	7
8	Adjusted Net Income (subtract lines 5, 6 and 7 from line 4)	8

	Section B - Minimum Asset Amount		(A) Prior Year	(B) Current Year (optional)
1	Aggregate fair market value of all non-exempt-use assets (see instructions for short tax year or assets held for part of year):	1
a	Average monthly value of securities	1a
b	Average monthly cash balances	1b
c	Fair market value of other non-exempt-use assets	1c
d	Total (add lines 1a, 1b, and 1c)	1d
e	Discount claimed for blockage or other factors (explain in detail in Part VI):
2	Acquisition indebtedness applicable to non-exempt use assets	2
3	Subtract line 2 from line 1d	3
4	Cash deemed held for exempt use. Enter 1-1/2% of line 3 (for greater amount, see instructions).	4
5	Net value of non-exempt-use assets (subtract line 4 from line 3)	5
6	Multiply line 5 by .035	6
7	Recoveries of prior-year distributions	7
8	Minimum Asset Amount (add line 7 to line 6)	8

	Section C - Distributable Amount		Current Year
1	Adjusted net income for prior year (from Section A, line 8, Column A)	1
2	Enter 85% of line 1	2
3	Minimum asset amount for prior year (from Section B, line 8, Column A)	3
4	Enter greater of line 2 or line 3	4
5	Income tax imposed in prior year	5
6	Distributable Amount. Subtract line 5 from line 4, unless subject to emergency temporary reduction (see instructions)	6

Check here if the current year is the organization's first as a non-functionally-integrated Type III supporting organization (see instructions)

Schedule A (Form 990 or 990-EZ) 2019

Page 7

Part V

Type III Non-Functionally Integrated 509(a)(3) Supporting Organizations(continued)

Section D - Distributions		Current Year
1 Amounts paid to supported organizations to accomplish exempt purposes
2 Amounts paid to perform activity that directly furthers exempt purposes of supported organizations, in excess of income from activity
3 Administrative expenses paid to accomplish exempt purposes of supported organizations
4 Amounts paid to acquire exempt-use assets
5 Qualified set-aside amounts (prior IRS approval required)
6 Other distributions (describe in Part VI). See instructions
7Total annual distributions. Add lines 1 through 6.
8 Distributions to attentive supported organizations to which the organization is responsive (provide details in Part VI). See instructions
9 Distributable amount for 2019 from Section C, line 6
10 Line 8 amount divided by Line 9 amount

Section E - Distribution Allocations (see instructions)		(i) Excess Distributions	(ii) Underdistributions Pre-2019	(iii) Distributable Amount for 2019
1 Distributable amount for 2019 from Section C, line 6
2 Underdistributions, if any, for years prior to 2019 (reasonable cause required-- explain in Part VI). See instructions.
3 Excess distributions carryover, if any, to 2019:
a From 2014.......
b From 2015.......
c From 2016.......
d From 2017.......
e From 2018.......
fTotal of lines 3a through e
g Applied to underdistributions of prior years
h Applied to 2019 distributable amount
i Carryover from 2014 not applied (see instructions)
j Remainder. Subtract lines 3g, 3h, and 3i from 3f.
4Distributions for 2019 from Section D, line 7:
$
a Applied to underdistributions of prior years
b Applied to 2019 distributable amount
c Remainder. Subtract lines 4a and 4b from 4.
5 Remaining underdistributions for years prior to 2019, if any. Subtract lines 3g and 4a from line 2. If the amount is greater than zero, explain in Part VI. See instructions.
6 Remaining underdistributions for 2019. Subtract lines 3h and 4b from line 1. If the amount is greater than zero, explain in Part VI. See instructions.
7 Excess distributions carryover to 2020. Add lines 3j and 4c.
8 Breakdown of line 7:
a Excess from 2015.....
b Excess from 2016.....
c Excess from 2017.....
d Excess from 2018.....
e Excess from 2019.....

Schedule A (Form 990 or 990-EZ) (2019)

Schedule A (Form 990 or 990-EZ) 2019

Page 8

Part VI

Supplemental Information. Provide the explanations required by Part II, line 10; Part II, line 17a or 17b; Part III, line 12; Part IV, Section A, lines 1, 2, 3b, 3c, 4b, 4c, 5a, 6, 9a, 9b, 9c, 11a, 11b, and 11c; Part IV, Section B, lines 1 and 2; Part IV, Section C, line 1; Part IV, Section D, lines 2 and 3; Part IV, Section E, lines 1c, 2a, 2b, 3a and 3b; Part V, line 1; Part V, Section B, line 1e; Part V Section D, lines 5, 6, and 8; and Part V, Section E, lines 2, 5, and 6. Also complete this part for any additional information. (See instructions).

Facts And Circumstances Test

Return Reference	Explanation
SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:	CAFE REVENUE SHARE - 2013 AMOUNT: $ 21,440. 2014 AMOUNT: $ 20,341. 2015 AMOUNT: $ 27,701. 2016 AMOUNT: $ 58,645. 2017 AMOUNT: $ 87,930.

Schedule A (Form 990 or 990-EZ) 2019

Additional Data

Software ID:
Software Version:

- TIN:

Schedule B
(Form 990, 990-EZ,
or 990-PF)

Department of the Treasury
Internal Revenue Service

Schedule of Contributors

Attach to Form 990, 990-EZ, or 990-PF.

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2019

Name of the organization

COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Organization type (check one):

Filers of:

Section:

Form 990 or 990-EZ

501(c)( ) (enter number) organization

4947(a)(1) nonexempt charitable trust not treated as a private foundation

527 political organization

Form 990-PF

501(c)(3) exempt private foundation

4947(a)(1) nonexempt charitable trust treated as a private foundation

501(c)(3) taxable private foundation

Check if your organization is covered by the General Rule or a Special Rule.
Note: Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.

General Rule

For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.

Special Rules

For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 33¹/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Arrow Bullet

Caution: An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its Form 990-EZ
or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).

For Paperwork Reduction Act Notice, see the Instructions
for Form 990, 990-EZ, or 990-PF.

Cat. No. 30613XSchedule B (Form 990, 990-EZ, or 990-PF) (2019)

Schedule B (Form 990, 990-EZ, or 990-PF) (2019) Page 2

Name of organization COMPUTER HISTORY MUSEUM

Part I Contributors	Contributors (see instructions). Use duplicate copies of Part I if additional space is needed.
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
		$	Person Payroll Noncash (Complete Part II for noncash contributions.)
Schedule B (Form 990, 990-EZ, or 990-PF) (2019)

Schedule B (Form 990, 990-EZ, or 990-PF) (2019)

Page 3

Name of organization COMPUTER HISTORY MUSEUM		Employer identification number 77-0507525

Part II	Noncash Property (see instructions). Use duplicate copies of Part II if additional space is needed.
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
Schedule B (Form 990, 990-EZ, or 990-PF) (2019)

Schedule B (Form 990, 990-EZ, or 990-PF) (2019)

Page 4


Name of organization COMPUTER HISTORY MUSEUM			Employer identification number 77-0507525
Part III Exclusively religious, charitable, etc., contributions to organizations described in section 501(c)(7), (8), or (10) that total more than $1,000 for the year from any one contributor. Complete columns (a) through (e) and the following line entry. For organizations completing Part III, enter the total of exclusively religious, charitable, etc., contributions of $1,000 or less for the year. (Enter this information once. See instructions.) $ Use duplicate copies of Part III if additional space is needed.

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

Schedule B (Form 990, 990-EZ, or 990-PF) (2019)

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE D
(Form 990)

Department of the Treasury
Internal Revenue Service

Supplemental Financial Statements

Complete if the organization answered "Yes," on Form 990,
Part IV, line 6, 7, 8, 9, 10, 11a, 11b, 11c, 11d, 11e, 11f, 12a, or 12b.
SchDMd Bullet

Attach to Form 990.
SchDMd Bullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2019

Open to Public Inspection

Name of the organization

COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Part I

Organizations Maintaining Donor Advised Funds or Other Similar Funds or Accounts. Complete if the organization answered "Yes" on Form 990, Part IV, line 6.

		(a) Donor advised funds	(b) Funds and other accounts
1	Total number at end of year .........
2	Aggregate value of contributions to (during year)
3	Aggregate value of grants from (during year)
4	Aggregate value at end of year ........

Did the organization inform all donors and donor advisors in writing that the assets held in donor advised funds are the organization’s property, subject to the organization’s exclusive legal control? ............

Yes No

Did the organization inform all grantees, donors, and donor advisors in writing that grant funds can be used only for charitable purposes and not for the benefit of the donor or donor advisor, or for any other purpose conferring impermissible private benefit? ...................................

Yes No

Part II

Conservation Easements.
Complete if the organization answered "Yes" on Form 990, Part IV, line 7.

Purpose(s) of conservation easements held by the organization (check all that apply).

Preservation of land for public use (e.g., recreation or education) Preservation of an historically important land area

Protection of natural habitat Preservation of a certified historic structure

Preservation of open space

Complete lines 2a through 2d if the organization held a qualified conservation contribution in the form of a conservation easement on the last day of the tax year.


a	Total number of conservation easements ......................	2a
b	Total acreage restricted by conservation easements ....................	2b
c	Number of conservation easements on a certified historic structure included in (a) .....	2c
d	Number of conservation easements included in (c) acquired after 7/25/06, and not on a historic structure listed in the National Register ...	2d

Number of conservation easements modified, transferred, released, extinguished, or terminated by the organization during the
tax year SchDMd Bullet

Number of states where property subject to conservation easement is located SchDMd Bullet

Does the organization have a written policy regarding the periodic monitoring, inspection, handling of violations, and enforcement of the conservation easements it holds? ............

Yes No

Staff and volunteer hours devoted to monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
SchDMd Bullet

Amount of expenses incurred in monitoring, inspecting, handling of violations, and enforcing conservation easements during the year
SchDMd Bullet

Does each conservation easement reported on line 2(d) above satisfy the requirements of section 170(h)(4)(B)(i) and section 170(h)(4)(B)(ii)? .............................

Yes No

In Part XIII, describe how the organization reports conservation easements in its revenue and expense statement, and
balance sheet, and include, if applicable, the text of the footnote to the organization’s financial statements that describes
the organization’s accounting for conservation easements.

Part III

Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets.
Complete if the organization answered "Yes" on Form 990, Part IV, line 8.

If the organization elected, as permitted under FASB ASC 958, not to report in its revenue statement and balance sheet works of art, historical treasures, or other similar assets held for public exhibition, education, or research in furtherance of public service, provide, in Part XIII, the text of the footnote to its financial statements that describes these items.

If the organization elected, as permitted under FASB ASC 958, to report in its revenue statement and balance sheet works of art, historical treasures, or other similar assets held for public exhibition, education, or research in furtherance of public service, provide the following amounts relating to these items:

(i)

Revenue included on Form 990, Part VIII, line 1 ......................... SchDMd Bullet

(ii)

Assets included in Form 990, Part X ............................... SchDMd Bullet

If the organization received or held works of art, historical treasures, or other similar assets for financial gain, provide the
following amounts required to be reported under FASB ASC 958 relating to these items:

Revenue included on Form 990, Part VIII, line 1 .......................... SchDMd Bullet

Assets included in Form 990, Part X ............................... SchDMd Bullet

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 52283D

Schedule D (Form 990) 2019

Page 2

Part III

Organizations Maintaining Collections of Art, Historical Treasures, or Other Similar Assets (continued)

Using the organization’s acquisition, accession, and other records, check any of the following that are a significant use of its collection items (check all that apply):

Public exhibition

Loan or exchange programs

Scholarly research

Other

Preservation for future generations

Provide a description of the organization’s collections and explain how they further the organization’s exempt purpose in
Part XIII.

During the year, did the organization solicit or receive donations of art, historical treasures or other similar
assets to be sold to raise funds rather than to be maintained as part of the organization’s collection?...

Yes No

Part IV

Escrow and Custodial Arrangements. Complete if the organization answered "Yes" on Form 990, Part IV, line 9, or reported an amount on Form 990, Part X, line 21.

Is the organization an agent, trustee, custodian or other intermediary for contributions or other assets not
included on Form 990, Part X? ....................................

Yes No


b	If "Yes," explain the arrangement in Part XIII and complete the following table:		Amount
c	Beginning balance .............................	1c
d	Additions during the year ............................	1d
e	Distributions during the year ..........................	1e
f	Ending balance ................................	1f

Did the organization include an amount on Form 990, Part X, line 21, for escrow or custodial account liability? ...

Yes No

If "Yes," explain the arrangement in Part XIII. Check here if the explanation has been provided in Part XIII ....

Part V

Endowment Funds.
Complete if the organization answered "Yes" on Form 990, Part IV, line 10.

		(a) Current year	(b) Prior year	(c) Two years back	(d) Three years back	(e) Four years back

1a	Beginning of year balance ....	31,208,662	29,750,331	31,743,011	31,691,314	28,147,121
b	Contributions ...					1,000,000
c	Net investment earnings, gains, and losses	2,737,640	2,712,375	-839,324	1,204,601	3,718,843
d	Grants or scholarships ...
e	Other expenditures for facilities and programs ...	1,289,716	1,254,044	1,153,356	1,152,904	1,174,650
f	Administrative expenses ....
g	End of year balance ......	32,656,586	31,208,662	29,750,331	31,743,011	31,691,314

Provide the estimated percentage of the current year end balance (line 1g, column (a)) held as:

Board designated or quasi-endowment SchDMd Bullet

57.120 %

Permanent endowment SchDMd Bullet

42.880 %

Term endowment SchDMd Bullet

0 %

The percentages on lines 2a, 2b, and 2c should equal 100%.

Are there endowment funds not in the possession of the organization that are held and administered for the
organization by:

Yes

(i) Unrelated organizations .................

3a(i)

(ii) Related organizations .................

3a(ii)

If "Yes" on 3a(ii), are the related organizations listed as required on Schedule R? .........

Describe in Part XIII the intended uses of the organization's endowment funds.

Part VI

Land, Buildings, and Equipment.
Complete if the organization answered "Yes" on Form 990, Part IV, line 11a. See Form 990, Part X, line 10.

Description of property		(a) Cost or other basis (investment)	(b) Cost or other basis (other)	(c) Accumulated depreciation	(d) Book value

1a	Land .....	15,393,498		15,393,498
b	Buildings ....	30,073,848	15,127,557	14,946,291
c	Leasehold improvements
d	Equipment ....	939,800	850,084	89,716
e	Other .....	16,080,951	9,357,657	6,723,294
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..				37,152,799

Schedule D (Form 990) 2019

Page 3

Part VII

InvestmentsOther Securities.
Complete if the organization answered "Yes" on Form 990, Part IV, line 11b. See Form 990, Part X, line 12.

(a) Description of security or category (including name of security)	(b) Book value	(c) Method of valuation: Cost or end-of-year market value
(1) Financial derivatives.........
(2) Closely-held equity interests........
(3) Other (A) FUND OF FUNDS	103,913	F
(B) VENTURE CAPITAL FUNDS	12,858	F
(C) DIVERSIFIED MULTI-ASSET FUNDS	32,251,552	F
(D)
(E)
(F)
(G)
(H)
(I)
Total. (Column (b) must equal Form 990, Part X, col. (B) line 12.)	32,368,323

Part VIII

InvestmentsProgram Related. Complete if the organization answered 'Yes' on Form 990, Part IV, line 11c. See Form 990, Part X, line 13.

(a) Description of investment	(b) Book value	(c) Method of valuation: Cost or end-of-year market value

(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 13.)

Part IX

Other Assets.
Complete if the organization answered 'Yes' on Form 990, Part IV, line 11d. See Form 990, Part X, line 15.

(a) Description				(b) Book value

(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 15.)...........

Part X

Other Liabilities.
Complete if the organization answered 'Yes' on Form 990, Part IV, line 11e or 11f. See Form 990, Part X, line 25.

1.(a) Description of liability	(b) Book value
(1) Federal income taxes

(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)
2. Liability for uncertain tax positions. In Part XIII, provide the text of the footnote to the organization's financial statements that reports the organization's liability for uncertain tax positions under FIN 48 (ASC 740). Check here if the text of the footnote has been provided in Part XIII

Schedule D (Form 990) 2019

Page 4

Part XI Reconciliation of Revenue per Audited Financial Statements With Revenue per Return. Complete if the organization answered 'Yes' on Form 990, Part IV, line 12a.
1	Total revenue, gains, and other support per audited financial statements .......			1	14,753,000
2	Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a	Net unrealized gains (losses) on investments ....	2a	2,737,640
b	Donated services and use of facilities .........	2b
c	Recoveries of prior year grants ...........	2c
d	Other (Describe in Part XIII.) ............	2d	943,166
e	Add lines 2a through 2d .....................			2e	3,680,806
3	Subtract line 2e from line 1..................			3	11,072,194
4	Amounts included on Form 990, Part VIII, line 12, but not on line 1:
a	Investment expenses not included on Form 990, Part VIII, line 7b .	4a
b	Other (Describe in Part XIII.) ...........	4b	6,293
c	Add lines 4a and 4b....................			4c	6,293
5	Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ......			5	11,078,487

Part XII Reconciliation of Expenses per Audited Financial Statements With Expenses per Return. Complete if the organization answered 'Yes' on Form 990, Part IV, line 12a.
1	Total expenses and losses per audited financial statements ...........			1	14,675,000
2	Amounts included on line 1 but not on Form 990, Part IX, line 25:
a	Donated services and use of facilities .........	2a
b	Prior year adjustments ............	2b
c	Other losses ................	2c
d	Other (Describe in Part XIII.) ............	2d	942,626
e	Add lines 2a through 2d....................			2e	942,626
3	Subtract line 2e from line 1...................			3	13,732,374
4	Amounts included on Form 990, Part IX, line 25, but not on line 1:
a	Investment expenses not included on Form 990, Part VIII, line 7b ..	4a
b	Other (Describe in Part XIII.) ............	4b
c	Add lines 4a and 4b.....................			4c	0
5	Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ......			5	13,732,374

Part XIII

Supplemental Information

Provide the descriptions required for Part II, lines 3, 5, and 9; Part III, lines 1a and 4; Part lV, lines 1b and 2b; Part V, line 4; Part X, line 2; Part XI, lines 2d and 4b; and Part XII, lines 2d and 4b. Also complete this part to provide any additional information.

Return Reference	Explanation
PART III, LINE 1A:	THE MUSEUM'S COLLECTIONS ARE MADE UP OF ARTIFACTS AND ORAL HISTORIES OF HISTORICAL SIGNIFICANCE HELD FOR EDUCATIONAL, RESEARCH, SCIENTIFIC, AND CURATORIAL PURPOSES. SOME ITEMS ARE IN THE PROCESS OF BEING CATALOGUED. THE COLLECTIONS ARE SUBJECT TO A POLICY THAT REQUIRES PROCEEDS FROM THE SALE OF ANY COLLECTION ITEM TO BE USED TO ACQUIRE OTHER ITEMS FOR THE COLLECTIONS. THE ACCESSIONED ITEMS IN THE COLLECTION UNDERGO A RIGOROUS REVIEW PROCESS WITH APPROVAL BY A SUBCOMMITTEE OF THE BOARD OF TRUSTEES PRIOR TO DEACCESSIONING. THE PROCESS IS IN COMPLIANCE WITH APPROPRIATE MUSEUM STANDARDS AND CODES. TO DATE, THE COLLECTIONS HAVE BEEN ACQUIRED PRIMARILY THROUGH DONATIONS AND ARE NOT RECOGNIZED AS ASSETS ON THE STATEMENTS OF FINANCIAL POSITION. PURCHASES OF COLLECTION ITEMS ARE RECORDED AS DECREASES IN UNRESTRICTED NET ASSETS IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED OR AS TEMPORARILY RESTRICTED NET ASSETS IF THE ASSETS USED TO PURCHASE THE ITEMS ARE RESTRICTED BY DONORS.
PART III, LINE 4:	THE COMPUTER HISTORY MUSEUM IS THE WORLD'S LEADING INSTITUTION EXPLORING THE HISTORY OF COMPUTING AND ITS ONGOING IMPACT ON SOCIETY. IT IS HOME TO THE LARGEST INTERNATIONAL COLLECTION OF COMPUTING ARTIFACTS IN THE WORLD, ENCOMPASSING COMPUTER HARDWARE, SOFTWARE, DOCUMENTATION, EPHEMERA, PHOTOGRAPHS AND MOVING IMAGES. THE MUSEUM'S COLLECTIONS AND RESEARCH ACTIVITIES INCLUDE A PHYSICAL COLLECTION OF NEARLY 40,000 HISTORICAL OBJECTS, NEARLY 51,200 DOCUMENT RECORDS RELATED TO THE HISTORY OF COMPUTING, MORE THAN 13,200 SOFTWARE TITLES, AND AN ESTIMATED 33,150 PHOTOGRAPHS AND MOVING IMAGES. THE MUSEUM HAS CATALOGUED ALMOST 139,000 ITEMS AND MAKES THE CATALOGUE AVAILABLE TO THE GENERAL PUBLIC THROUGH ITS WEBSITE, WWW.COMPUTERHISTORY.ORG.
PART V, LINE 4:	THE MUSEUM'S ENDOWMENT CONSISTS OF INVESTMENTS ESTABLISHED TO SUPPORT THE OPERATIONS OF THE MUSEUM. THE ENDOWMENT INCLUDES BOTH DONOR-RESTRICTED ENDOWMENT FUNDS AND FUNDS DESIGNATED BY THE BOARD OF TRUSTEES TO FUNCTION AS ENDOWMENTS. AS REQUIRED BY U.S. GAAP, NET ASSETS ASSOCIATED WITH ENDOWMENT FUNDS, INCLUDING FUNDS DESIGNATED BY THE BOARD OF TRUSTEES TO FUNCTION AS ENDOWMENTS, ARE CLASSIFIED AND REPORTED BASED ON THE EXISTENCE OR ABSENCE OF DONOR-IMPOSED RESTRICTIONS.
PART X, LINE 2:	THE MUSEUM IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (IRC) AND SECTION 23701D OF THE REVENUE AND TAXATION CODE EXCEPT TO THE EXTENT OF UNRELATED BUSINESS TAXABLE INCOME AS DEFINED UNDER IRC SECTIONS 511 THROUGH 515. SINCE THE MUSEUM HAS IMMATERIAL UNRELATED BUSINESS TAXABLE INCOME, NO PROVISION FOR INCOME TAXES HAS BEEN PROVIDED IN THE FINANCIAL STATEMENTS. THE MUSEUM HAS NO UNRECOGNIZED TAX BENEFITS OR UNCERTAIN TAX POSITIONS AS OF JUNE 30, 2018 AND 2017.
PART XI, LINE 2D - OTHER ADJUSTMENTS:	COST OF GOODS SOLD 197,889. RENTAL EXPENSE 744,452. ROUNDED FINANCIAL STATEMENT DIFFERENCE 825.
PART XI, LINE 4B - OTHER ADJUSTMENTS:	K-1 PASSTHROUGH 4,248. TRANSPORTATION FRINGE BENEFIT UBI 2,045.
PART XII, LINE 2D - OTHER ADJUSTMENTS:	COST OF GOODS SOLD 197,889. RENTAL EXPENSE 744,452. ROUNDED FINANCIAL STATEMENT DIFFERENCE 285.

Schedule D (Form 990) 2019

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE F(Form 990)

Department of the Treasury
Internal Revenue Service

Statement of Activities Outside the United States

Complete if the organization answered "Yes" to Form 990, Part IV, line 14b, 15, or 16. Right pointing arrow large image

Attach to Form 990. Right pointing arrow large image

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2019

Open to Public Inspection

Name of the organization
COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Part I

General Information on Activities Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 14b.

For grantmakers. Does the organization maintain records to substantiate the amount of its grants and

other assistance, the grantees’ eligibility for the grants or assistance, and the selection criteria used

to award the grants or assistance? . . . . . . . . . . . . . . . . . . . . . . . . .

Yes

For grantmakers. Describe in Part V the organization’s procedures for monitoring the use of its grants and other assistance outside the United States.

Activites per Region. (The following Part I, line 3 table can be duplicated if additional space is needed.)

(a) Region		(b) Number of offices in the region	(c) Number of employees, agents, and independent contractors in the region	(d) Activities conducted in region (by type) (such as, fundraising, program services, investments, grants to recipients located in the region)	(f) Total expenditures for and investments in the region
	CENTRAL AMERICA AND THE CARIBBEAN - ANTIGUA & BARBUDA, ARUBA, BAHAMAS,			INVESTMENT	3,818,052
















3a	Sub-total ....	0	0		3,818,052
b	Total from continuation sheets to Part I ...	0	0		0
c	Totals (add lines 3a and 3b)	0	0		3,818,052

For Paperwork Reduction Act Notice, see the Instructions for Form 990.Cat. No. 50082W Schedule F (Form 990) 2019

Schedule F (Form 990) 2019

Page 2

Part II

Grants and Other Assistance to Organizations or Entities Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 15, for any recipient who received more than $5,000. Part II can be duplicated if additional space is needed.

1 (a) Name of organization		(b) IRS code section and EIN (if applicable)	(c) Region	(d) Purpose of grant	(e) Amount of cash grant	(f) Manner of cash disbursement	(g) Amount of noncash assistance	(h) Description of noncash assistance	(i) Method of valuation (book, FMV, appraisal, other)

2	Enter total number of recipient organizations listed above that are recognized as charities by the foreign country, recognized as tax-exempt by the IRS, or for which the grantee or counsel has provided a section 501(c)(3) equivalency letter .......
3	Enter total number of other organizations or entities .......................

Schedule F (Form 990) 2019

Schedule F (Form 990) 2019Page 3

Part III

Grants and Other Assistance to Individuals Outside the United States. Complete if the organization answered "Yes" on Form 990, Part IV, line 16.

Part III can be duplicated if additional space is needed.

(a) Type of grant or assistance		(b) Region	(c) Number of recipients	(d) Amount of cash grant	(e) Manner of cash disbursement	(f) Amount of noncash assistance	(g) Description of noncash assistance	(h) Method of valuation (book, FMV, appraisal, other)

Schedule F (Form 990) 2019

Page 4

Part IV

Foreign Forms

Schedule F (Form 990) 2019

Page 5

Part V

Supplemental Information
Provide the information required by Part I, line 2 (monitoring of funds); Part I, line 3, column (f) (accounting method; amounts of investments vs. expenditures per region); Part II, line 1 (accounting method); Part III (accounting method); and Part III, column (c) (estimated number of recipients), as applicable. Also complete this part to provide any additional information. See instructions.

ReturnReference	Explanation
PART I, LINE 3	METHOD OF ACCOUNTING - ACCRUAL BASIS, INVESTMENTS

Schedule F (Form 990) 2019

Additional Data

Software ID:
Software Version:

- TIN:

Schedule J
(Form 990)

Department of the Treasury
Internal Revenue Service

Compensation Information

For certain Officers, Directors, Trustees, Key Employees, and Highest
Compensated Employees
SchJMediumBullet

Complete if the organization answered "Yes" on Form 990, Part IV, line 23.
SchJMediumBullet

Attach to Form 990.
SchJMediumBullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2019

Open to Public Inspection

Name of the organization

COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Part I

Questions Regarding Compensation

Yes

Check the appropiate box(es) if the organization provided any of the following to or for a person listed on Form
990, Part VII, Section A, line 1a. Complete Part III to provide any relevant information regarding these items.

First-class or charter travel Housing allowance or residence for personal use

Travel for companions Payments for business use of personal residence

Tax idemnification and gross-up payments Health or social club dues or initiation fees

Discretionary spending account Personal services (e.g., maid, chauffeur, chef)

If any of the boxes on Line 1a are checked, did the organization follow a written policy regarding payment or reimbursement or provision of all of the expenses described above? If "No," complete Part III to explain .........

Did the organization require substantiation prior to reimbursing or allowing expenses incurred by all
directors, trustees, officers, including the CEO/Executive Director, regarding the items checked on Line 1a? ..

Indicate which, if any, of the following the filing organization used to establish the compensation of the
organization's CEO/Executive Director. Check all that apply. Do not check any boxes for methods
used by a related organization to establish compensation of the CEO/Executive Director, but explain in Part III.

Compensation committee Written employment contract

Independent compensation consultant Compensation survey or study

Form 990 of other organizations Approval by the board or compensation committee

During the year, did any person listed on Form 990, Part VII, Section A, line 1a, with respect to the filing organization or a related organization:

Receive a severance payment or change-of-control payment? .............

Participate in, or receive payment from, a supplemental nonqualified retirement plan? .........

Yes

Participate in, or receive payment from, an equity-based compensation arrangement? .........

If "Yes" to any of lines 4a-c, list the persons and provide the applicable amounts for each item in Part III.

Only 501(c)(3), 501(c)(4), and 501(c)(29) organizations must complete lines 5-9.

For persons listed on Form 990, Part VII, Section A, line 1a, did the organization pay or accrue any
compensation contingent on the revenues of:

The organization? ....................

Any related organization? .......................

If "Yes," on line 5a or 5b, describe in Part III.

For persons listed on Form 990, Part VII, Section A, line 1a, did the organization pay or accrue any
compensation contingent on the net earnings of:

The organization? ..................

Any related organization? ......................

If "Yes," on line 6a or 6b, describe in Part III.

For persons listed on Form 990, Part VII, Section A, line 1a, did the organization provide any nonfixed
payments not described in lines 5 and 6? If "Yes," describe in Part III ............

Yes

Were any amounts reported on Form 990, Part VII, paid or accured pursuant to a contract that was
subject to the initial contract exception described in Regulations section 53.4958-4(a)(3)? If "Yes," describe
in Part III ..........................

If "Yes" on line 8, did the organization also follow the rebuttable presumption procedure described in Regulations section 53.4958-6(c)? .........................

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50053T

Schedule J (Form 990) 2019

Page 2

Part II

Officers, Directors, Trustees, Key Employees, and Highest Compensated Employees. Use duplicate copies if additional space is needed.

For each individual whose compensation must be reported on Schedule J, report compensation from the organization on row (i) and from related organizations, described in the
instructions, on row (ii). Do not list any individuals that are not listed on Form 990, Part VII.
Note. The sum of columns (B)(i)-(iii) for each listed individual must equal the total amount of Form 990, Part VII, Section A, line 1a, applicable column (D) and (E) amounts for that individual.

(A) Name and Title		(B) Breakdown of W-2 and/or 1099-MISC compensation			(C) Retirement and other deferred compensation	(D) Nontaxable benefits	(E) Total of columns (B)(i)-(D)	(F) Compensation in column (B) reported as deferred on prior Form 990
(A) Name and Title		(i) Base compensation	(ii) Bonus & incentive compensation	(iii) Other reportable compensation	(C) Retirement and other deferred compensation	(D) Nontaxable benefits	(E) Total of columns (B)(i)-(D)
1HOLLAR JOHN THRU 617 PRESIDENT & CEO	(i) (ii)	173,766 ------------- 0	63,588 ------------- 0	155,500 ------------- 0	465 ------------- 0	0 ------------- 0	393,319 ------------- 0	0 ------------- 0
2HOLMES GEORGE CHIEF FINANCIAL OFFICER	(i) (ii)	187,663 ------------- 0	10,000 ------------- 0	0 ------------- 0	5,930 ------------- 0	17,588 ------------- 0	221,181 ------------- 0	0 ------------- 0
3MATSUSHITA GARY VP OPERATIONS	(i) (ii)	164,654 ------------- 0	10,000 ------------- 0	0 ------------- 0	5,240 ------------- 0	18,834 ------------- 0	198,728 ------------- 0	0 ------------- 0
4MERTZ MICHELLE CHIEF DEVELOPMENT OFFICER	(i) (ii)	227,077 ------------- 0	20,000 ------------- 0	0 ------------- 0	5,739 ------------- 0	10,606 ------------- 0	263,422 ------------- 0	0 ------------- 0
5SILVER LAUREN VP EDUCATION	(i) (ii)	130,306 ------------- 0	7,500 ------------- 0	0 ------------- 0	4,134 ------------- 0	12,184 ------------- 0	154,124 ------------- 0	0 ------------- 0
6TASHEV KIRSTEN VP COLLECTIONS & EXHIBITIONS	(i) (ii)	146,941 ------------- 0	12,000 ------------- 0	0 ------------- 0	3,539 ------------- 0	533 ------------- 0	163,013 ------------- 0	0 ------------- 0
7HANCOCK MARGUERITE EXECUTIVE DIRECTOR, EXPONENTIAL CTR.	(i) (ii)	193,924 ------------- 0	5,000 ------------- 0	0 ------------- 0	0 ------------- 0	22,146 ------------- 0	221,070 ------------- 0	0 ------------- 0
8MILLER PAMELA THRU 318 ASSOCIATE VP OF DEVELOPMENT	(i) (ii)	182,018 ------------- 0	15,000 ------------- 0	0 ------------- 0	0 ------------- 0	14,888 ------------- 0	211,906 ------------- 0	0 ------------- 0

Schedule J (Form 990) 2019

Page 3

Part III

Supplemental Information

Provide the information, explanation, or descriptions required for Part I, lines 1a, 1b, 3, 4a, 4b, 4c, 5a, 5b, 6a, 6b, 7, and 8, and for Part II. Also complete this part for any additional information.

Return Reference

Explanation

PART I, LINE 4B

JOHN HOLLAR PARTICIPATED IN A 457(F) PLAN DURING THE 2017 CALENDAR YEAR. THE MUSEUM CREDITED $41,000 TO THE PLAN FOR THE 2017 CALENDAR YEAR. THE ACCOUNT BECOMES FULLY VESTED ON THE EARLIER OF (A) THE PARTICIPANT'S INVOLUNTARY TERMINATION, (B) THE PARTICIPANT'S DEATH, (C) THE PARTICIPANT'S DISABILITY, OR (D) THE PARTICIPANT TURNING AGE 68, AS LONG AS THE PARTICIPANT REMAINS ACTIVELY EMPLOYED BY THE MUSEUM UNTIL SUCH VESTING DATE. BENEFITS ARE DISTRIBUTED WITHIN 60 DAYS OF VESTING. NO DISTRIBUTIONS WERE PAID UNDER THE 457(F) PLAN, DUE TO JOHN'S VOLUNTARY DEPARTURE FROM THE MUSEUM IN JUNE 2017, PRIOR TO TURNING AGE 68.

PART I, LINE 7

BONUSES ARE DETERMINED BY THE CEO AND COMPENSATION COMMITTEE BASED ON PERFORMANCE AND ACHIEVEMENT OF GOALS.

Schedule J (Form 990) 2019

Additional Data

Software ID:
Software Version:

- TIN:

Note: To capture the full content of this document, please select landscape mode (11" x 8.5") when printing.

Schedule K
(Form 990)

Department of the Treasury
Internal Revenue Service

Supplemental Information on Tax-Exempt Bonds

Complete if the organization answered "Yes" to Form 990, Part Ⅵ, line 24a. Provide descriptions,
explanations, and any additional information in Part Ⅵ.
SchKMediumBullet

Attach to Form 990.
SchKMediumBullet

Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

2019

Open to Public
Inspection

Name of the organization
COMPUTER HISTORY MUSEUM

Employer identification number
77-0507525

Part Ⅰ

Bond Issues

(a) Issuer name		(b) Issuer EIN	(c) CUSIP #	(d) Date issued	(e) Issue price	(f) Description of purpose	(g) Defeased		(h) On behalf of issuer		(i) Pool financing
(a) Issuer name		(b) Issuer EIN	(c) CUSIP #	(d) Date issued	(e) Issue price	(f) Description of purpose	Yes	No	Yes	No	Yes	No
A	ABAG FINANCE AUTHORITY FOR NONPROFIT CORPORATIONS	94-3130123	00037CQT0	12-22-2010	7,000,000	REFUND PRIOR BOND ISSUE		X		X		X

Part Ⅱ

Proceeds

	A		B		C		D
	1 Amount of bonds retired ..................
2 Amount of bonds legally defeased ..............
3 Total proceeds of issue ..................	7,000,000
4 Gross proceeds in reserve funds .............
5 Capitalized interest from proceeds .............
6 Proceeds in refunding escrows ...............
7 Issuance costs from proceeds ...............
8 Credit enhancement from proceeds .............
9 Working capital expenditures from proceeds .............
10 Capital expenditures from proceeds .............
11 Other spent proceeds .............
12 Other unspent proceeds .............
13 Year of substantial completion .............	2011
	Yes	No	Yes	No	Yes	No	Yes	No
14 Were the bonds issued as part of a current refunding issue of tax-exempt bonds (or, if issued prior to 2018, a current refunding issue)? ........
15 Were the bonds issued as part of an advance refunding issue of taxable bonds (or, if issued prior to 2018, an advance refunding issue)? ........
16 Has the final allocation of proceeds been made? ..........	X
17 Does the organization maintain adequate books and records to support the final allocation of proceeds? ..................	X

Part Ⅲ

Private Business Use

	A		B		C		D
	Yes	No	Yes	No	Yes	No	Yes	No
1 Was the organization a partner in a partnership, or a member of an LLC, which owned property financed by tax-exempt bonds? .............
2 Are there any lease arrangements that may result in private business use of bond-financed property? ...............

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 50193E

Schedule K (Form 990) 2019

Page 2

Part Ⅲ

Private Business Use (Continued)

	A		B		C		D
	Yes	No	Yes	No	Yes	No	Yes	No
3a Are there any management or service contracts that may result in private business use of bond-financed property? .............
b If "Yes" to line 3a, does the organization routinely engage bond counsel or other outside counsel to review any management or service contracts relating to the financed property?
c Are there any research agreements that may result in private business use of bond-financed property? .............
d If "Yes" to line 3c, does the organization routinely engage bond counsel or other outside counsel to review any research agreements relating to the financed property?
4 Enter the percentage of financed property used in a private business use by entities other than a section 501(c)(3) organization or a state or local government ....
5 Enter the percentage of financed property used in a private business use as a result of unrelated trade or business activity carried on by your organization, another section 501(c)(3) organization, or a state or local government .........
6 Total of lines 4 and 5 .............
7 Does the bond issue meet the private security or payment test? ...
8a Has there been a sale or disposition of any of the bond-financed property to a nongovernmental person other than a 501(c)(3) organization since the bonds were issued?.............
b If "Yes" to line 8a, enter the percentage of bond-financed property sold or disposed of. ..
c If "Yes" to line 8a, was any remedial action taken pursuant to Regulations sections 1.141-12 and 1.145-2? .............
9 Has the organization established written procedures to ensure that all nonqualified bonds of the issue are remediated in accordance with the requirements under Regulations sections 1.141-12 and 1.145-2? ........

Part Ⅳ

Arbitrage

	A		B		C		D
	Yes	No	Yes	No	Yes	No	Yes	No
1 Has the issuer filed Form 8038-T, Arbitrage Rebate, Yield Reduction and Penalty in Lieu of Arbitrage Rebate? ...		X
2 If "No" to line 1, did the following apply? ....
a Rebate not due yet? .......	X
b Exception to rebate? ........	X
c No rebate due? .........		X
If "Yes" to line 2c, provide in Part Ⅵ the date the rebate computation was performed ......
3 Is the bond issue a variable rate issue? .....	X
4a Has the organization or the governmental issuer entered into a qualified hedge with respect to the bond issue?		X
b Name of provider ..........
c Term of hedge .........
d Was the hedge superintegrated? ......
e Was the hedge terminated? ........

Schedule K (Form 990) 2019

Page 3

Part Ⅳ

Arbitrage (Continued)

	A		B		C		D
	Yes	No	Yes	No	Yes	No	Yes	No
5a Were gross proceeds invested in a guaranteed investment contract (GIC)?		X
b Name of provider ..........
c Term of GIC .........
d Was the regulatory safe harbor for establishing the fair market value of the GIC satisfied? ........
6 Were any gross proceeds invested beyond an available temporary period?		X
7 Has the organization established written procedures to monitor the requirements of section 148? ...	X

Part Ⅴ

Procedures To Undertake Corrective Action

---------------------------------------------------------------------------------------------------------------	A		B		C		D
	Yes	No	Yes	No	Yes	No	Yes	No
Has the organization established written procedures to ensure that violations of federal tax requirements are timely identified and corrected through the voluntary closing agreement program if self-remediation is not available under applicable regulations?	X

Part Ⅵ

Supplemental Information. Provide additional information for responses to questions on Schedule K. (See instructions).

Return Reference	Explanation

Schedule K (Form 990) 2019

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE M
(Form 990)

Department of the Treasury

Internal Revenue Service

Noncash Contributions

Complete if the organizations answered "Yes" on Form 990, Part IV, lines 29 or 30.
Right pointing arrow large image

Attach to Form 990.
Right pointing arrow large image

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2019

Open to Public Inspection

Name of the organization

COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Part I

Types of Property

	(a) Check if applicable	(b) Number of contributions or items contributed	(c) Noncash contribution amounts reported on Form 990, Part VIII, line 1g	(d) Method of determining noncash contribution amounts
1 Art—Works of art ....
2 Art—Historical treasures .
3 Art—Fractional interests ..
4 Books and publications ..
5 Clothing and household goods .......
6 Cars and other vehicles ..
7 Boats and planes ....
8 Intellectual property ...
9 Securities—Publicly traded .	X	15	1,345,142	MARKET VALUE
10 Securities—Closely held stock .
11 Securities—Partnership, LLC, or trust interests ....
12 Securities—Miscellaneous ..
13 Qualified conservation contribution—Historic structures .....
14 Qualified conservation contribution—Other ...
15 Real estate—Residential .
16 Real estate—Commercial ..
17 Real estate—Other ...
18 Collectibles .....
19 Food inventory ...
20 Drugs and medical supplies .
21 Taxidermy ......
22 Historical artifacts ....
23 Scientific specimens ..
24 Archeological artifacts ...
25 Other ( PLEDGES )	X	7	649,000	MARKET VALUE
26 Other ( STORAGE TEK MODULAR TAPE LIBRARY )	X	1	24,000	MARKET VALUE
27 Other ( )
28 Other ( )

Number of Forms 8283 received by the organization during the tax year for contributions
for which the organization completed Form 8283, Part IV, Donee Acknowledgement

Yes

30a

During the year, did the organization receive by contribution any property reported in Part I, lines 1 through 28, that it must hold for at least three years from the date of the initial contribution, and which isn't required to be used for exempt purposes for the entire holding period? ...................

30a

If "Yes," describe the arrangement in Part II.

Does the organization have a gift acceptance policy that requires the review of any nonstandard contributions?

Yes

32a

Does the organization hire or use third parties or related organizations to solicit, process, or sell noncash

contributions? ..........................

32a

If "Yes," describe in Part II.

If the organization didn't report an amount in column (c) for a type of property for which column (a) is checked,

describe in Part II.

For Paperwork Reduction Act Notice, see the Instructions for Form 990.

Cat. No. 51227J

Schedule M (Form 990) (2019)

Page 2

Part IISupplemental Information. Provide the information required by Part I, lines 30b, 32b, and 33, and whether the organization is reporting in Part I, column (b), the number of contributions, the number of items received, or a combination of both. Also complete this part for any additional information.

Return Reference	Explanation
PART I, LINE 33:	COLLECTIONS ACQUIRED THROUGH DONATION ARE NOT RECOGNIZED AS ASSETS OR REVENUE ON THE ORGANIZATION'S FINANCIALS. HISTORICAL ARTIFACTS RECEIVED DO NOT HAVE A READILY DETERMINABLE MARKETABLE VALUE DUE TO LIMITED MARKET ACTIVITY.

Schedule M (Form 990) (2019)

Additional Data

Software ID:
Software Version:

- TIN:

SCHEDULE O
(Form 990 or 990-EZ)

Department of the Treasury
Internal Revenue Service

Supplemental Information to Form 990 or 990-EZ

Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
MediumBullet

Attach to Form 990 or 990-EZ.
MediumBullet

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2019

Open to Public
Inspection

Name of the organization

COMPUTER HISTORY MUSEUM

Employer identification number

77-0507525

Return Reference	Explanation
FORM 990, PART III, PROGRAM SERVICE ACCOMPLISHMENTS:	LINE 4A - COLLECTIONS AND RESEARCH THE MUSEUM IS DEDICATED TO THE PRESERVATION AND CELEBRATION OF COMPUTER HISTORY AND HAS THE LARGEST COLLECTION OF COMPUTING ARTIFACTS IN THE WORLD. THIS COLLECTION NOW INCLUDES NEARLY 40,000 HISTORICAL OBJECTS, NEARLY 52,100 DOCUMENT RECORDS, MORE THAN 13,200 SOFTWARE TITLES, AND AN ESTIMATED 33,150 PHOTOGRAPHS AND MOVING IMAGES. A KEY COMPONENT OF THE MUSEUM'S DIGITAL COLLECTION, ORAL HISTORIES OF THE PIONEERS AND INNOVATORS OF THE COMPUTER REVOLUTION, HAS GROWN TO OVER 890 IN THE PAST YEAR. IN ADDITION, THE MUSEUM HAS A VAST COLLECTION OF OTHER DIGITAL ASSETS, INCLUDING HISTORIC SOURCE CODE OF SOME OF THE EARLIEST SOFTWARE EVER WRITTEN. A STATE-OF-THE-ART DIGITAL REPOSITORY NOW HAS 127 TERABYTES OF STORAGE SPACE, WITH OVER 90 TERABYTES ALREADY IN USE. THE MUSEUM'S COLLECTION AND ARCHIVING OPERATIONS ARE NOW HOUSED AT THE 25,000 SQUARE FOOT SHUSTEK CENTER, PURCHASED IN 2016 AND NAMED FOR MUSEUM CHAIRMAN LEN SHUSTEK. THE SHUSTEK CENTER FURTHERS THE EXCELLENT STEWARDSHIP OF THE MUSEUM'S COLLECTION AND ITS COMMITMENT TO ONGOING RESEARCH AND ACCESS. LARGER OBJECT PHYSICAL ARTIFACTS ARE ALSO HELD AT THE MUSEUM'S 25,000 SQUARE FOOT WAREHOUSE FACILITY IN MILPITAS, CALIFORNIA. AS OF JUNE 2018, THE MUSEUM CATALOGUED ALMOST 139,000 ITEMS, AN INCREASE OF ROUGHLY 7,000 OVER THE PREVIOUS YEAR, AND MAKES THESE RECORDS ACCESSIBLE ON THE CHM WEBSITE FOR PUBLIC USE. THE SHUSTEK CENTER OFFERS ACCESSIBILITY AND WORK SPACE FOR VISITING SCHOLARS AND RESEARCHERS, WITH AN AVERAGE OF 15-20 ON-SITE USERS PER YEAR, AND THE FULFILLMENT OF OVER 450 UNIQUE RESEARCH AND COLLECTION QUERIES ANNUALLY. IN 2016, THE MUSEUM INTRODUCED THE CENTER FOR SOFTWARE HISTORY, AND BY MID-2017 THE CENTER WAS FULLY OPERATIONAL WITH A DEDICATED SOFTWARE LAB, A STAFF OF THREE FULL-TIME CURATORS, RESEARCH WORK AND PUBLISHED ARTICLES ON EARLY SOFTWARE PRODUCTS AND SOURCE CODE, LECTURE PROGRAMS THROUGH THE MUSEUM'S CHM LIVE SERIES, AND THE CONVENING OF AN INTERNATIONAL MULTIDISCIPLINARY SOFTWARE HISTORIANS CONFERENCE AT THE MUSEUM TO EXPLORE HOW SOFTWARE RELATES TO THE SOCIAL AND TECHNICAL CONSTRUCTS OF POWER. TO FURTHER ITS COLLECTION AND RESEARCH EFFORTS TO PRESENT THE WORLD WITH A 360 DEGREE VIEW OF THE COMPUTER REVOLUTION, THE EXPONENTIAL CENTER WAS LAUNCHED IN JUNE 2016. THE EXPONENTIAL CENTER IS DEVOTED TO CAPTURING THE LEGACY AND ADVANCING THE FUTURE OF ENTREPRENEURSHIP AND INNOVATION IN SILICON VALLEY AND AROUND THE WORLD. THE EXPONENTIAL CENTER HAS FIVE INTEGRATED INITIATIVES: COLLECTIONS AND EXHIBITIONS, RESEARCH AND INSIGHTS, EDUCATION, EVENTS, AND THOUGHT LEADERSHIP. IN ITS FIRST YEAR, THE CENTER COLLECTED 21 ORAL HISTORIES, ARTIFACTS INCLUDING THE FIRST BUSINESS PLANS OF NETAPP AND SUN MICROSYSTEMS, AND 85 ORIGINAL ADS FROM THE EARLY YEARS OF INTEL AND APPLE. IN 2015, MUSEUM ARCHIVISTS TOOK ON AN AMBITIOUS BROADENING OF ITS SCOPE IN COLLECTION ARCHIVING. WITH A GOAL OF CREATING A CORPORATE CULTURE OF PRESERVATION IN SILICON VALLEY, THE MUSEUM UNDERTOOK A MULTI-YEAR PROJECT AND PARTNERED WITH SAN JOSE-BASED CISCO SYSTEMS TO PRESERVE ITS THREE DECADE CORPORATE HISTORY. THE MUSEUM'S EXTENSIVE EXPERIENCE AND EXPERTISE IN COMPUTER HISTORY AND ARCHIVE MANAGEMENT MADE IT A PERFECT PARTNER FOR CISCO. UPON COMPLETING THE CISCO PROJECT IN 2017, THE MUSEUM ENGAGED WITH GOOGLE FOR ITS SECOND MULTI-YEAR ARCHIVING PROJECT TO PRESERVE THE GOOGLE FOUNDER'S COLLECTION.
FORM 990, PART III, PROGRAM SERVICE ACCOMPLISHMENTS:	LINE 4B - EXHIBITIONS THE MUSEUM HAS A BROAD INTERPRETIVE MISSION TO MAKE THE HISTORY, IMPACT, AND FUTURE POSSIBILITIES FROM COMPUTING COME ALIVE FOR AUDIENCES AROUND THE WORLD THROUGH PHYSICAL AND ON-LINE EXHIBITS, LIVE DISPLAYS, AND DEMONSTRATIONS OF HISTORIC MACHINES. IN 2018, OVER 127,000 GUESTS FROM 140 COUNTRIES EXPERIENCED THE MUSEUM'S 40,000 SQUARE FEET OF EXHIBITS, WHICH INCLUDED: "REVOLUTION: THE FIRST 2000 YEARS OF COMPUTING", THE MUSEUM'S SIGNATURE EXHIBIT OF 19 GALLERIES, OVER 1,000 HISTORIC ARTIFACTS, AND MULTIMEDIA EXPERIENCES THAT CHRONICLE THE HISTORY OF COMPUTING ON AN INTERNATIONAL SCALE; "MAKE SOFTWARE: CHANGE THE WORLD!" A NEW EXHIBIT OPENED IN 2017 WITH A UNIQUELY DESIGNED INTERACTIVE SPACE THAT FOLLOWS THE STORY OF SEVEN TRANSFORMATIVE SOFTWARE APPLICATIONS: PHOTOSHOP, MP3, MRI, CAR CRASH, WIKIPEDIA, TEXTING AND WORLD OF WARCRAFT, ALL ANCHORED BY A MULTIMEDIA SOFTWARE LAB THAT ENCOURAGES VISITORS TO LEARN PROGRAMMING BASICS; "WHERE TO? A HISTORY OF AUTONOMOUS VEHICLES", WHERE VISITORS LEARN THE HISTORY OF AUTONOMOUS VEHICLES, ENJOY SCIENCE FICTION AND POPULAR CULTURE DREAMS OF THE DRIVERLESS FAMILY CAR, GET CLOSE-UP WITH THE GOOGLE SELF-DRIVING CAR, AND LEARN HOW THIS AMAZING TECHNOLOGY WORKS; "THINKING BIG: ADA, COUNTESS OF LOVELACE" AN EXHIBIT INSPIRED BY THE REMARKABLE LIFE OF 19TH CENTURY ENGLISH MATHEMATICIAN AND VISIONARY ADA LOVELACE; "THE IBM DEMO LAB", WITH TWO FULLY RESTORED IBM 1401 SYSTEMS IN A 1960'S ERA SETTING, WHERE VISITORS LEARN ABOUT ONE OF THE WORLD'S MOST SUCCESSFUL COMPUTING SYSTEMS AND SEE PUBLIC DEMONSTRATIONS OF THE RESTORED 1401S IN ACTION; AND THE "PDP-1 DEMO LAB", THE FIRST COMMERCIAL COMPUTER DESIGNED TO INTERACT WITH A SINGLE USER. THE MUSEUM'S RESTORATION TEAM BROUGHT THE PDP-1 BACK TO WORKING CONDITION, LOADED THE MACHINE WITH VINTAGE GAMES, INCLUDING THE ICONIC "SPACEWAR! AND HOLDS WEEKLY DEMONSTRATIONS, INCLUDING EXTREMELY POPULAR "SPACEWAR" TOURNAMENTS. THE FIRST EXPONENTIAL CENTER DISPLAY, "1 TO 1 BILLION" FEATURING EIGHT ICONIC ARTIFACTS FROM THE MUSEUM'S COLLECTION, ILLUSTRATES HOW ONE IDEA, COMBINED WITH ENTREPRENEURIAL SPIRIT, CAN TOUCH A BILLION PEOPLE, CREATE A BILLION DEVICES, OR GENERATE A BILLION DOLLARS. THE MUSEUM FURTHERS ITS INTERPRETIVE MISSION TO REACH A GLOBAL AUDIENCE THROUGH MULTIPLE DISTRIBUTION CHANNELS. LAUNCHED IN 1996, COMPUTERHISTORY.ORG, THE MUSEUM'S WEBSITE IS ONE OF THE EARLIEST ON-LINE MUSEUMS IN THE WORLD. THE WEBSITE HAD OVER 6.9 MILLION PAGE VIEWS IN 2018, AND OVER 83 MILLION SINCE ITS INCEPTION. THE WEBSITE HAS VIEWERS IN OVER 244 COUNTRIES AND TERRITORIES, ALLOWING THE MUSEUM'S INNOVATIVE ON-LINE EXHIBITS TO BE ENJOYED WORLDWIDE. THESE EXHIBITS INCLUDE: REVOLUTION ON-LINE; THE BABBAGE ENGINE; MAKE SOFTWARE: CHANGE THE WORLD!; THE SILICON ENGINE; SELLING THE COMPUTER REVOLUTION; THIS DAY IN HISTORY; AND THE TIMELINE OF COMPUTER HISTORY, THE SITE'S MOST POPULAR EXHIBIT. IN ADDITION TO COMPUTERHISTORY.ORG, THE MUSEUM HAS A CHM YOUTUBE CHANNEL THAT RECEIVES OVER 1 MILLION VIEWS A YEAR FOR ITS ALMOST 800 VIDEOS AVAILABLE. THESE VIDEOS ARE COMPRISED OF HISTORIC FILMS FROM THE COLLECTION, MUSEUM EVENTS, AND THE ORAL HISTORY PROGRAM. THE MUSEUM IS ACTIVE IN SOCIAL MEDIA, WITH TWITTER, INSTAGRAM, TUMBLR ACCOUNTS, AND IN 2018 ITS FACEBOOK FOLLOWERS REACHED 117,200. CREATIVE CONTENT PRODUCED BY THE MUSEUM REACHES AUDIENCES VIA ITS BLOG (@CHM) AND IN 2017, THE MUSEUM INTRODUCED TWO NEW DIGITAL MEDIA CHANNELS WITH CHM MEDIUM AND CHM CORE+ . IN 2018 THE MUSEUM PUBLISHED 61 STORIES ON THESE TWO CHANNELS WITH A VIEWERSHIP OF OVER 43,000. SINCE 1999, THE MUSEUM HAS PUBLISHED ITS ANNUAL PUBLICATION CORE MAGAZINE. THE MAGAZINE APPEALS TO A WIDE RANGE OF AUDIENCES AND FOCUSES ON BEAUTIFUL IMAGERY AND INTENSIVE CONTENT, DELIGHTING READERS AND DIRECTING THEM TOWARD A DEEPER UNDERSTANDING OF COMPUTING HISTORY. WITH DONORS, MEMBERS, AND FANS RECEIVING EITHER THE PRINT OR DIGITAL VERSION OF CORE, THE MAGAZINE CIRCULATION IN 2018 APPROACHED 30,000.
FORM 990, PART III, PROGRAM SERVICE ACCOMPLISHMENTS:	LINE 4C - PUBLIC PROGRAMMING THE MUSEUM FURTHER FULFILLS THE PRESENTATION GOALS OF OUR MISSION STATEMENT BY ENGAGING MULTIPLE AUDIENCES THROUGH PUBLIC EVENTS AND LECTURES, EDUCATIONAL PROGRAMS AND ITS SIGNATURE ANNUAL FELLOW AWARDS. IN 2018, THE MUSEUM PRODUCED 30 LIVE EVENTS AND LECTURES WITH OVER 7,200 ATTENDEES THROUGH ITS CHM LIVE, EXPONENTIAL CENTER AND NEXT GEN PROGRAMMING. IN ADDITION TO THE LIVE AUDIENCES, OVER 280,000 VIEWERS ACCESSED THE PROGRAMMING THROUGH THE CHM FACEBOOK LIVE STREAM CHANNEL, AND OVER 60,000 HAVE WATCHED THESE PROGRAMS ON THE CHM YOUTUBE CHANNEL. NOTEWORTHY EVENTS OVER A WIDE RANGE OF COMPUTING TOPICS HAVE ENGAGED THOUSANDS OF VIEWERS IN THE PAST YEAR, INCLUDING "TOMORROW'S COMPUTERS" WITH IBM SR. FELLOW MARK BOHR AND DARPA TECHNOLOGY OFFICER WILLIAM CHAPPELL; "QUANTUM QUESTIONS " WITH LEADING SCIENTISTS FROM GOOGLE, MICROSOFT AND IBM RESEARCH; "MEDICINE IN A DIGITAL AGE" WITH UCSF'S ATUL BUTTE; AND "DRIVING CHANGE" WITH UBER CHIEF BRAND OFFICER BOZOMA SAINT JOHN. PAST INDUSTRY LUMINARIES WHO HAVE PARTICIPATED IN THE CHM LECTURE SERIES HAVE INCLUDED FACEBOOK FOUNDER MARK ZUCKERBERG, FACEBOOK COO SHERYL SANDBERG, GOOGLE CHAIRMAN ERIC SCHMIDT, PIXAR'S ED CATMULL, YAHOO'S MARISSA MAYER, AND TESLA'S ELON MUSK. THROUGH ITS INNOVATIVE EDUCATION AND COMMUNITY PROGRAMS, THE MUSEUM MAKES COMPUTER HISTORY RELEVANT TO VISITORS OF ALL AGES. THE MUSEUM'S SCHOOL AGE PROGRAMS ALIGN WITH COMMON CORE STATE STANDARDS AND NEXT GENERATION SCIENCE STANDARDS. STUDENTS IN THESE PROGRAMS DEVELOP ESSENTIAL SKILLS FOR SUCCESS IN THE 21ST CENTURY, INCLUDING CRITICAL THINKING, ORAL AND WRITTEN COMMUNICATIONS EXPERTISE, AND COLLABORATION. AT THE SAME TIME, THEY LEARN AND APPLY CONCEPTS FROM SCIENCE TECHNOLOGY, ENGINEERING, THE ARTS AND MATH (STEAM) IN THE CONTEXT OF COMPUTER HISTORY. LIFELONG LEARNERS ARE ENGAGED THROUGH A VIBRANT DOCENT-LED EXPERIENCE OF DAILY EXHIBIT TOURS OF REVOLUTION, AND DEMONSTRATIONS OF THE 1401 AND PDP-1 DEMO LABS. IN 2018, OVER 25,000 VISITORS TOOK PART IN THE MUSEUM'S TOUR PROGRAM. UNIQUE MUSEUM EDUCATIONAL PROGRAMS INCLUDE "DESIGN_CODE_BUILD", A YEAR-LONG SERIES OF WORKSHOPS AND DAY-LONG EVENTS DEVELOPED IN CLOSE COLLABORATION WITH THE BROADCOM FOUNDATION, WHICH SERVED OVER 2,100 STUDENTS IN 2018; "TALKING TO THE FUTURE", AN ANNUAL LECTURE PROGRAM WITH FEATURED INDUSTRY GUEST SPEAKERS; "FIELD TRIP DAYS" FOR OVER 1,000 MIDDLE SCHOOL STUDENTS FROM TITLE 1 SCHOOLS, "K-12 WORKSHOPS" FOR OVER 1,700 STUDENTS; AND A POPULAR HIGH SCHOOL SUMMER INTERNSHIP PROGRAM. THE MUSEUM'S SIGNATURE ANNUAL GALA EVENT IS THE FELLOW AWARDS, WHICH PUBLICLY RECOGNIZES THE INDIVIDUALS WHO HAVE MADE OUTSTANDING CONTRIBUTIONS TO THE FIELD OF COMPUTING IN CATEGORIES SUCH AS HARDWARE, SOFTWARE, ARTIFICIAL INTELLIGENCE AND NETWORKING. THE TRADITION BEGAN IN 1987, WITH THE FIRST FELLOW, EARLY PROGRAMMING PIONEER GRACE MURRAY HOPPER, AND HAS GROWN TO A DISTINGUISHED GROUP OF 80 MEMBERS. IN 2018, THE MUSEUM INDUCTED DOV FROHMAN-BENTCHKOWSKY, FOR THE INVENTION OF THE FIRST COMMERCIAL ERASABLE PROGRAMMABLE READ-ONLY MEMORY (EPROM), WHICH ENABLED RAPID DEVELOPMENT OF MICROPROCESSOR-BASED SYSTEMS; DAME STEPHANIE SHIRLEY, FOR A LIFETIME OF ENTREPRENEURSHIP PROMOTING THE GROWTH OF THE UK SOFTWARE INDUSTRY AND THE ADVANCEMENT OF WOMEN IN COMPUTING; AND GUIDO VAN ROSSUM, FOR THE CREATION AND EVOLUTION OF THE PYTHON PROGRAMMING LANGUAGE AND FOR LEADERSHIP OF ITS COMMUNITY.
FORM 990, PART VI, SECTION A, LINE 1	THE BOARD OF TRUSTEES DELEGATES BROAD AUTHORITY FOR ROUTINE GOVERNING MATTERS TO THE EXECUTIVE COMMITTEE, WHICH CONSISTED OF 8 TRUSTEES IN FY 2018, INCLUDING BUT NOT LIMITED TO, THE CHAIRMAN OF THE BOARD, AND CHAIR OF THE FINANCE COMMITTEE. THE EXECUTIVE COMMITTEE SUBMITS RECOMMENDATIONS ON LARGER GOVERNING MATTERS TO THE BOARD FOR APPROVAL OR RATIFICATION.
FORM 990, PART VI, SECTION B, LINE 11B	THE MUSEUM'S ACCOUNTING FIRM FORWARDS THE FORM 990 TO THE CONTROLLER. THE CFO AND CONTROLLER REVIEW THE FORM. AFTER REVIEW, THE FORM IS FORWARDED TO THE CEO, THE FINANCE COMMITTEE AND THE AUDIT COMMITTEE FOR REVIEW. THE FINAL DRAFT FORM IS POSTED ON THE TRUSTEE CLOUD SITE WHICH IS USED FOR ALL TRUSTEE COMMUNICATION OF INFORMATION AND DOCUMENTS. THE TRUSTEES ARE ENCOURAGED TO FORWARD ANY QUESTIONS TO THE CFO AND CONTROLLER WHO WILL REVIEW AND ADDRESS THE QUESTIONS.
FORM 990, PART VI, SECTION B, LINE 12C	THE MUSEUM REQUIRES ALL OF THE TRUSTEES AND KEY EMPLOYEES TO COMPLETE A CONFLICT OF INTEREST ACKNOWLEDGEMENT ANNUALLY. IF A CONFLICT IS DISCLOSED A COMMITTEE IS FORMED COMPRISED OF THE CHAIRMAN OF THE BOARD OF TRUSTEES, THE CHAIR OF THE AUDIT COMMITTEE, AND SUCH OTHER TRUSTEES AS THE CHAIRMAN OF THE BOARD OF TRUSTEES MAY DESIGNATE. THE COMMITTEE WILL CONSIDER THE MATTER AND DETERMINE WHAT IF ANY ACTION SHOULD BE TAKEN BY THE TRUSTEE OR BY THE BOARD IN ORDER TO DEAL WITH THE MATTER. ALL TRUSTEES COMPLETE THE CONFLICT OF INTEREST ACKNOWLEDGEMENT PRIOR TO TAKING THEIR SEAT OR POSITION.
FORM 990, PART VI, SECTION B, LINE 15	CEO: ANNUALLY THE COMPENSATION COMMITTEE NEGOTIATES PERFORMANCE OBJECTIVES WITH THE CEO. THOSE OBJECTIVES ARE MEASURABLE AND QUANTITATIVE. THEY ARE USED TO DETERMINE THE PERFORMANCE OF THE CEO. IN ADDITION, THE COMPENSATION COMMITTEE COMMISSIONS STUDIES OF COMPARABLE POSITIONS WITHIN OTHER NON-PROFITS. THE COMBINATION OF THE MARKET LEVELING AND THE PERFORMANCE TO GOALS IS THEN USED TO DETERMINE ANY BONUS OR SALARY INCREASE ANNUALLY. THE CHANGE IN COMPENSATION IS APPROVED BY THE COMPENSATION COMMITTEE. THE COMPARABLE POSITIONS BENCHMARK STUDIES ARE PUBLISHED EVERY 3-4 YEARS. EXECUTIVE STAFF: WHEN EXECUTIVE STAFF MEMBERS ARE HIRED, THE CEO REVIEWS AND GAINS APPROVAL FOR THEIR PROPOSED COMPENSATION WITH THE COMPENSATION COMMITTEE TO ENSURE THAT THEY ARE EQUITABLE AND IN LINE WITH MARKET GUIDELINES. THE CEO ALSO DETERMINES SALARY INCREASES AND BONUSES FOR THE EXECUTIVE STAFF EACH YEAR BASED ON PERFORMANCE AND EXTERNAL BENCHMARKS, AND BASED ON THE OVERALL EXPENSE BUDGET APPROVED BY THE BOARD OF TRUSTEES. THE INFORMATION IS SUBSEQUENTLY SHARED WITH THE COMPENSATION COMMITEE FOR THEIR REVIEW. ALL STAFF: THE CEO CREATES A BUDGET FOR INCREASES THAT IS REVIEWED BY THE COMPENSATION COMMITTEE AND APPROVED FOR ALIGNMENT WITH OVERALL MARKET GUIDELINES.
FORM 990, PART VI, SECTION C, LINE 19	THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.
FORM 990, PART XI, LINE 9:	K-1 PASSTHROUGH -4,248. TRANSPORTATION FRINGE BENEFIT UBI -2,045.

For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.

Cat. No. 51056K

Schedule O (Form 990 or 990-EZ) 2019

Additional Data

Software ID:
Software Version:

1	Briefly describe the organization’s mission or most significant activities: TO PRESERVE AND CELEBRATE COMPUTER HISTORY AND EXPLORE ITS SOCIAL IMPACT.
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	39
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	39
5	Total number of individuals employed in calendar year 2019 (Part V, line 2a) ......	5	84
6	Total number of volunteers (estimate if necessary) .............	6	142
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	-23,554
b	Net unrelated business taxable income from Form 990-T, line 39 .........	7b	-27,034

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	6,574,509	8,265,827
9	Program service revenue (Part VIII, line 2g) .........	1,078,019	1,204,265
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....	-10,954	-20,728
11	Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e)	1,611,330	1,629,123
12	Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12)	9,252,904	11,078,487
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...	0	0
14	Benefits paid to or for members (Part IX, column (A), line 4).....	0	0
15	Salaries, other compensation, employee benefits (Part IX, column (A), lines 5–10)	6,666,352	7,471,231
16a	Professional fundraising fees (Part IX, column (A), line 11e) .....	60,950	3,335
b	Total fundraising expenses (Part IX, column (D), line 25) 1,051,531
17	Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e)....	6,069,230	6,257,808
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	12,796,532	13,732,374
19	Revenue less expenses. Subtract line 18 from line 12.......	-3,543,628	-2,653,887
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	75,335,817	74,773,806
21	Total liabilities (Part X, line 26).............	11,732,761	11,093,290
22	Net assets or fund balances. Subtract line 21 from line 20.....	63,603,056	63,680,516

Sign Here

	Signature of officer	Date

	Type or print name and title


4a	(Code: ) (Expenses $ 3,300,534 including grants of $ ) (Revenue $ 27,439 )
	COLLECTIONS AND RESEARCH - SEE SCHEDULE O

4b	(Code: ) (Expenses $ 4,413,752 including grants of $ ) (Revenue $ 1,412,626 )
	EXHIBITIONS - SEE SCHEDULE O

4c	(Code: ) (Expenses $ 3,307,473 including grants of $ ) (Revenue $ 7,657 )
	PUBLIC PROGRAMMING - SEE SCHEDULE O

4d	Other program services (Describe in Schedule O.)
	(Expenses $ including grants of $ ) (Revenue $ )
4e	Total program service expenses11,021,759

1b	Sub-Total................
c	Total from continuation sheets to Part VII, Section A....
d	Total (add lines 1b and 1c)...........	2,076,444	0	172,109

1a	Federated campaigns..		1a
b	Membership dues..		1b	273,240
c	Fundraising events..		1c
d	Related organizations		1d
e	Government grants (contributions)		1e

f	All other contributions, gifts, grants, and similar amounts not included above		1f	7,992,587

g	Noncash contributions included in lines 1a - 1f:$		1g	2,018,142

h Total. Add lines 1a-1f.......		8,265,827

		Business Code
2a	EXHIBITIONS - GATE SALES	900099	1,169,169	1,169,169
b	COLLECTIONS AND RESEARCH	900099	27,439	27,439
c	PUBLIC PROGRAMMING	900099	7,657	7,657
d
e
f	All other program service revenue.
g	Total. Add lines 2a–2f .....		1,204,265

3 Investment income (including dividends, interest, and othersimilar amounts) ......			2,404			2,404
4 Income from investment of tax-exempt bond proceeds
5 Royalties...........
		(ii) Personal	(i) Real
6a	Gross rents		2,035,896	6a
b	Less: rental expenses		744,453	6b
c	Rental income or (loss)		1,291,443	6c
d	Net rental income or (loss).......			1,291,443		-29,847	1,321,290
		(ii) Other	(i) Securities
7a	Gross amount from sales of assets other than inventory		1,322,010	7a
b	Less: cost or other basis and sales expenses		1,345,142	7b
c	Gain or (loss)		-23,132	7c
d	Net gain or (loss).........			-23,132			-23,132
8a	Gross income from fundraising events (not including $ of contributions reported on line 1c). See Part IV, line 18 ....
			8a
b	Less: direct expenses ...		8b
c	Net income or (loss) from fundraising events..
9a	Gross income from gaming activities. See Part IV, line 19 ...
			9a
b	Less: direct expenses ...		9b
c	Net income or (loss) from gaming activities..
10a	Gross sales of inventory, less returns and allowances ..
			10a	529,276
b	Less: cost of goods sold ..		10b	197,889
c	Net income or (loss) from sales of inventory..			331,387	243,457		87,930
Business Code			Miscellaneous Revenue
11a	K-1 PASSTHROUGH		900099	4,248		4,248
b	TRANSPORTATION FRINGE BENEFIT UBI		900099	2,045		2,045
c
d	All other revenue ....
e	Total. Add lines 11a–11d ......			6,293
12	Total revenue. See instructions.....			11,078,487	1,447,722	-23,554	1,388,492

1	Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21 ....
2	Grants and other assistance to domestic individuals. See Part IV, line 22 ...........
3	Grants and other assistance to foreign organizations, foreign governments, and foreign individuals. See Part IV, lines 15 and 16. .............
4	Benefits paid to or for members .......
5	Compensation of current officers, directors, trustees, and key employees ...........	1,325,115	787,115	298,826	239,174
6	Compensation not included above, to disqualified persons (as defined under section 4958(f)(1)) and persons described in section 4958(c)(3)(B) .........
7	Other salaries and wages........	4,901,859	3,745,131	642,347	514,381
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....	96,938	64,523	18,894	13,521
9	Other employee benefits .......	680,930	506,553	92,732	81,645
10	Payroll taxes ...........	466,389	339,784	70,096	56,509
11	Fees for services (non-employees):
a	Management ......
b	Legal .........	17,841		17,841
c	Accounting ...........	89,380		89,380
d	Lobbying ...........
e	Professional fundraising services. See Part IV, line 17	3,335			3,335
f	Investment management fees ......
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)	657,752	499,562	100,972	57,218
12	Advertising and promotion ....	145,907	122,390	1,538	21,979
13	Office expenses .......	155,445	140,849	12,170	2,426
14	Information technology ......	127,452	90,986	16,216	20,250
15	Royalties ..
16	Occupancy ...........	1,055,300	1,045,941	7,991	1,368
17	Travel ............	72,561	66,622	2,453	3,486
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .
19	Conferences, conventions, and meetings ....
20	Interest ...........	54,135	54,135
21	Payments to affiliates .......
22	Depreciation, depletion, and amortization ..	2,829,476	2,821,326	7,907	243
23	Insurance ...	64,063	64,063
24	Other expenses. Itemize expenses not covered above (List miscellaneous expenses in line 24e. If line 24e amount exceeds 10% of line 25, column (A) amount, list line 24e expenses on Schedule O.)
a	LECTURE SERIES & FELLOW	327,205	327,205
b	BOND RELATED FEES	162,528		162,528
c	ARTIFACT COLLECTION	61,000	60,925	21	54
d	GATE SALES	47,109	47,109
e	All other expenses	390,654	237,540	117,172	35,942
25	Total functional expenses. Add lines 1 through 24e	13,732,374	11,021,759	1,659,084	1,051,531
26	Joint costs. Complete this line only if the organization reported in column (B) joint costs from a combined educational campaign and fundraising solicitation. Check here if following SOP 98-2 (ASC 958-720).

1	Cash–non-interest-bearing ........			447,679	1	1,086,317
2	Savings and temporary cash investments .........			2,729,177	2	2,691,616
3	Pledges and grants receivable, net ......			1,105,032	3	1,056,142
4	Accounts receivable, net .............			95,411	4	72,948
5	Loans and other payables to any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or 35% controlled entity or family member of any of these persons .......
					5
6	Loans and other receivables from other disqualified persons (as defined under section 4958(f)(1)), and persons described in section 4958(c)(3)(B) ...
					6
7	Notes and loans receivable, net ...........				7
8	Inventories for sale or use ............			96,642	8	88,061
9	Prepaid expenses and deferred charges ......			165,136	9	241,809
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a	62,488,097
b	Less: accumulated depreciation	10b	25,335,298	39,745,627	10c	37,152,799
11	Investments—publicly traded securities .				11
12	Investments—other securities. See Part IV, line 11 .....			30,941,582	12	32,368,323
13	Investments—program-related. See Part IV, line 11 ..				13
14	Intangible assets ...............				14
15	Other assets. See Part IV, line 11 ...........			9,531	15	15,791
16	Total assets. Add lines 1 through 15 (must equal line 33)...			75,335,817	16	74,773,806

17	Accounts payable and accrued expenses .....	1,153,792	17	983,674
18	Grants payable ...		18
19	Deferred revenue .........	1,012,752	19	586,160
20	Tax-exempt bond liabilities .........	6,921,981	20	6,927,106
21	Escrow or custodial account liability. Complete Part IV of Schedule D		21
22	Loans and other payables to any current or former officer, director, trustee, key employee, creator or founder, substantial contributor, or 35% controlled entity or family member of any of these persons .........
			22
23	Secured mortgages and notes payable to unrelated third parties ..	2,644,236	23	2,596,350
24	Unsecured notes and loans payable to unrelated third parties ..		24
25	Other liabilities (including federal income tax, payables to related third parties, and other liabilities not included on lines 17 - 24). Complete Part X of Schedule D		25
26	Total liabilities. Add lines 17 through 25..	11,732,761	26	11,093,290

	Organizations that follow FASB ASC 958, check here and complete lines 27, 28, 32, and 33.
27	Net assets without donor restrictions ..........		27
28	Net assets with donor restrictions ...........		28
	Organizations that do not follow FASB ASC 958, check here and complete lines 29 through 33.
29	Capital stock or trust principal, or current funds .....		29
30	Paid-in or capital surplus, or land, building or equipment fund ...		30
31	Retained earnings, endowment, accumulated income, or other funds		31
32	Total net assets or fund balances ...........	63,603,056	32	63,680,516
33	Total liabilities and net assets/fund balances ........	75,335,817	33	74,773,806

1	Was the organization a U.S. transferor of property to a foreign corporation during the tax year? If "Yes," the organization may be required to file Form 926, Return by a U.S. Transferor of Property to a Foreign Corporation (see Instructions for Form 926). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
2	Did the organization have an interest in a foreign trust during the tax year? If "Yes," the organization may be required to separately file Form 3520, Annual Return to Report Transactions with Foreign Trusts and Receipt of Certain Foreign Gifts, and/or Form 3520-A, Annual Information Return of Foreign Trust With a U.S. Owner (see Instructions for Forms 3520 and 3520-A; don't file with Form 990). . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
3	Did the organization have an ownership interest in a foreign corporation during the tax year? If "Yes," the organization may be required to file Form 5471, Information Return of U.S. Persons with Respect to Certain Foreign Corporations. (see Instructions for Form 5471). . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
4	Was the organization a direct or indirect shareholder of a passive foreign investment company or a qualified electing fund during the tax year? If “Yes,” the organization may be required to file Form 8621, Information Return by a Shareholder of a Passive Foreign Investment Company or Qualified Electing Fund. (see Instructions for Form 8621) .	Yes	No
5	Did the organization have an ownership interest in a foreign partnership during the tax year? If "Yes," the organization may be required to file Form 8865, Return of U.S. Persons with Respect to Certain Foreign Partnerships (see Instructions for Form 8865). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No
6	Did the organization have any operations in or related to any boycotting countries during the tax year? If "Yes," the organization may be required to separately file Form 5713, International Boycott Report (see Instructions for Form 5713; don't file with Form 990).. . . . . . . . . . . . . . . . . . . . . . . . . . . .	Yes	No