TY 2015 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) NATHAN BROSTROM...................................................................... TREASURER/GOVERNOR	4.0 .................	X	X
(2) DEAN CURRIE...................................................................... GOVERNOR	4.0 .................	X
(3) SHRINIVAS KULKARNI...................................................................... GOVERNOR	4.0 .................	X
(4) B THOMAS SOIFER...................................................................... GOVERNOR	4.0 .................	X
(5) MICHAEL BOLTE...................................................................... GOVERNOR	4.0 .................	X
(6) HENRY YANG...................................................................... CHAIR	4.0 .................	X	X
(7) GANG ZHAO...................................................................... GOVERNOR	4.0 .................	X
(8) SHUDE MAO...................................................................... GOVERNOR	4.0 .................	X
(9) SUIJIAN XUE...................................................................... GOVERNOR	4.0 .................	X
(10) TORU YAMADA...................................................................... GOVERNOR	4.0 .................	X
(11) TOMONORI USUDA...................................................................... GOVERNOR	4.0 .................	X
(12) MASANORI IYE...................................................................... GOVERNOR	4.0 .................	X
(13) GREGORY FAHLMAN...................................................................... GOVERNOR (SINCE 4/29/15)	4.0 .................	X
(14) ERNEST SEAQUIST...................................................................... GOVERNOR (SINCE 4/29/15)	4.0 .................	X
(15) RAY CARLBERG...................................................................... GOVERNOR (SINCE 4/29/15)	4.0 .................	X
(16) FIONA HARRISON...................................................................... GOVERNOR (SINCE 9/1/15)	4.0 .................	X
(17) PRAVEER ASTHANA...................................................................... GOVERNOR (SINCE 2/5/15)	4.0 .................	X

(A) Name and business address	(B) Description of services	(C) Compensation
CALIFORNIA INSTITUTE OF TECHNOLOGY, 1200 E CALIFORNIA BLVD PASADENA,CA91125	SCIENTIFIC SERVICES	2,774,060
PRIVATE SECURITY GROUP, 1037 HANOHANO WAY HONOLULU,HI96825	PROFESSIONAL SVCS	3,020,323
CONSTRUCTION MANAGEMENT CONCEPTS I, 4091 E LA PALMA AVENUE SUITE A ANAHEIM,CA92807	PROFESSIONAL SVCS	1,027,606
M3 ENGINEERING AND TECHNOLOGY CORP, 2051 W SUNSET ROAD 101 TUCSON,AZ85704	ENGINEERING	731,384
GOODFELLOWS BROS, 1300 N HOLOPONO ST SUITE 201 KIHEI,HI96753	ENGINEERING	665,327
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 24

- 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

Information about Schedule A (Form 990 or 990-EZ) and its instructions is at www.irs.gov/form990.

OMB No. 1545-0047

2015

Open to Public
Inspection

Name of the organization

TMT International Observatory LLC

Employer identification number

30-0833462

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 11, 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 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 11a through 11d that describes the type of supporting organization and complete lines 11e, 11f, and 11g.

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) 2015

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 fails to qualify under the tests listed below, please complete Part III.)

Section A. Public Support

Calendar year (or fiscal year beginning in)		(a) 2011	(b) 2012	(c) 2013	(d) 2014	(e) 2015	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any unusual grants.) ....	0	0	0	12,198,719	56,749,079	68,947,798
2	Tax revenues levied for the organization's benefit and either paid to or expended on its behalf.......						0
3	The value of services or facilities furnished by a governmental unit to the organization without charge..						0
4	Total. Add lines 1 through 3	0	0	0	12,198,719	56,749,079	68,947,798
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)..						0
6	Public support. Subtract line 5 from line 4.						68,947,798

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2011	(b) 2012	(c) 2013	(d) 2014	(e) 2015	(f) Total
7	Amounts from line 4..	0	0	0	12,198,719	56,749,079	68,947,798
8	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources...						0
9	Net income from unrelated business activities, whether or not the business is regularly carried on..						0
10	Other income. Do not include gain or loss from the sale of capital assets (Explain in Part VI.)..						0
11	Total support. Add lines 7 through 10.						68,947,798

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

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 2015 (line 6, column (f) divided by line 11, column (f)) .........

Public support percentage for 2014 Schedule A, Part II, line 14 ...............

16a

33 1/3% support test—2015. 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—2014. 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—2015. 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—2014. 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) 2015

Page 3

Part III

Support Schedule for Organizations Described in Section 509(a)(2)
(Complete only if you checked the box on line 9 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) 2011	(b) 2012	(c) 2013	(d) 2014	(e) 2015	(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) 2011	(b) 2012	(c) 2013	(d) 2014	(e) 2015	(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 2015 (line 8, column (f) divided by line 13, column (f)) .........

Public support percentage from 2014 Schedule A, Part III, line 15 ...............

Section D. Computation of Investment Income Percentage

Investment income percentage for 2015 (line 10c, column (f) divided by line 13, column (f)) ......

Investment income percentage from 2014 Schedule A, Part III, line 17 .............

19a

331/3% support tests—2015. 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—2014. 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) 2015

Page 4

Part IV

Supporting Organizations

(Complete only if you checked a box on line 11 of Part I. If you checked 11a of Part I, complete Sections A and B. If you checked 11b of Part I, complete Sections A and C. If you checked 11c of Part I, complete Sections A, D, and E. If you checked 11d 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 11a or 11b 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) 2015

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) 2015

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. 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) 2015

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 2015 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-2015	(iii) Distributable Amount for 2015
1 Distributable amount for 2015 from Section C, line 6
2 Underdistributions, if any, for years prior to 2015 (reasonable cause required--see instructions)
3 Excess distributions carryover, if any, to 2015:
a
b
c
d From 2013.......
e From 2014.......
fTotal of lines 3a through e
g Applied to underdistributions of prior years
h Applied to 2015 distributable amount
i Carryover from 2010 not applied (see instructions)
j Remainder. Subtract lines 3g, 3h, and 3i from 3f.
4Distributions for 2015 from Section D, line 7:
$
a Applied to underdistributions of prior years
b Applied to 2015 distributable amount
c Remainder. Subtract lines 4a and 4b from 4.
5 Remaining underdistributions for years prior to 2015, if any. Subtract lines 3g and 4a from line 2 (if amount greater than zero, see instructions)
6 Remaining underdistributions for 2015. Subtract lines 3h and 4b from line 1 (if amount greater than zero, see instructions)
7 Excess distributions carryover to 2016. Add lines 3j and 4c.
8 Breakdown of line 7:
a
b
c Excess from 2013.......
d From 2014.......
e From 2015.......

Schedule A (Form 990 or 990-EZ) (2015)

Schedule A (Form 990 or 990-EZ) 2015

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 (Form 990 or 990-EZ) 2015

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.

Information about Schedule B (Form 990, 990-EZ, or 990-PF) and its instructions is at www.irs.gov/form990.

OMB No. 1545-0047

2015

Name of the organization

TMT International Observatory LLC

Employer identification number

30-0833462

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. Do not 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 is not covered by the General Rule and/or the Special Rules does not 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 does not 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) (2015)

Schedule B (Form 990, 990-EZ, or 990-PF) (2015) Page 2

Name of organization TMT International Observatory LLC

Part I	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
RESTRICTED	,	$ RESTRICTED	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) (2015)

Schedule B (Form 990, 990-EZ, or 990-PF) (2015)

Page 3

Name of organization TMT International Observatory LLC		Employer identification number 30-0833462

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) (2015)

Schedule B (Form 990, 990-EZ, or 990-PF) (2015)

Page 4


Name of organization TMT International Observatory LLC			Employer identification number 30-0833462
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) (2015)

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.
Information about Schedule D (Form 990) and its instructions is at www.irs.gov/form990.

OMB No. 1545-0047

2015

Open to Public Inspection

Name of the organization

TMT International Observatory LLC

Employer identification number

30-0833462

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 8/17/06, 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 SFAS 116 (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 SFAS 116 (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 SFAS 116 (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) 2015

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 ....
b	Contributions ...
c	Net investment earnings, gains, and losses
d	Grants or scholarships ...
e	Other expenditures for facilities and programs ...
f	Administrative expenses ....
g	End of year balance ......

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

Board designated or quasi-endowment SchDMd Bullet

Permanent endowment SchDMd Bullet

Temporarily restricted endowment SchDMd Bullet

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 ...
b	Buildings
c	Leasehold improvements	1,375,366		1,375,366
d	Equipment ...	367,048	103,470	263,578
e	Other ...
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..				1,638,944

Schedule D (Form 990) 2015

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)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
Total. (Column (b) must equal Form 990, Part X, col. (B) line 12.)

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

(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
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
(1) CONSTRUCTION IN PROGRESS				29,234,891
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 15.)...........				29,234,891

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	0
CHARITY PAYABLE (CURRENT)	1,000,000
CHARITY PAYABLE (LONG TERM)	10,212,628
ASSET RETIREMENT OBLIGATION	1,246,188
DEFERRED LEASE PAYABLE	856,863
LEASE INCENTIVE OBLIGATIONS	196,361
(6)
(7)
(8)
(9)
Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)	13,512,040
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) 2015

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	890,889
2	Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a	Net unrealized gains (losses) on investments ....	2a
b	Donated services and use of facilities .........	2b
c	Recoveries of prior year grants ...........	2c
d	Other (Describe in Part XIII.) ............	2d
e	Add lines 2a through 2d .....................			2e
3	Subtract line 2e from line 1..................			3	890,889
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	55,858,190
c	Add lines 4a and 4b....................			4c	55,858,190
5	Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ......			5	56,749,079

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	14,687,612
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
e	Add lines 2a through 2d....................		2e
3	Subtract line 2e from line 1...................		3	14,687,612
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
5	Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ......		5	14,687,612

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
SCHEDULE D, PART X, LINE 2	TIO has no reporting requirements for uncertain tax provisions for the year ended December 31, 2015. SCHEDULE D, PART XI, LINE 4B MEMBER EQUITY CONTRIBUTIONS $55,858,190

Schedule D (Form 990) 2015

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

Information about Schedule J (Form 990) and its instructions is at www.irs.gov/form990.

OMB No. 1545-0047

2015

Open to Public Inspection

Name of the organization

TMT International Observatory LLC

Employer identification number

30-0833462

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 in 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 .........

Yes

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 in line 1a? ..

Yes

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? .........

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 non-fixed
payments not described in lines 5 and 6? If "Yes," describe in Part III ............

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) 2015

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)
1EDWARD STONEEXECUTIVE DIRECTOR	(i) (ii)	162,092 -------------	-------------	64,943 -------------	20,473 -------------	7,964 -------------	255,472 -------------	-------------
2GARY SANDERSPROJECT MANAGER	(i) (ii)	256,864 -------------	-------------	17,916 -------------	40,531 -------------	3,070 -------------	318,381 -------------	-------------
3PHILLIP LINDQUISTBUSINESS MANAGER	(i) (ii)	210,708 -------------	-------------	-------------	33,285 -------------	23,320 -------------	267,313 -------------	-------------
4RAVINDER BHATIAASSOCIATE PROJECT MANAGER	(i) (ii)	243,111 -------------	-------------	543 -------------	28,237 -------------	21,578 -------------	293,469 -------------	-------------
5LAWRENCE STEPPTELESCOPE DEPARTMENT HEAD	(i) (ii)	247,370 -------------	-------------	0 -------------	35,302 -------------	12,129 -------------	294,801 -------------	-------------
6SANDRA DAWSONMGR HAWAI'I COMMUNITY AFFAIRS	(i) (ii)	217,098 -------------	-------------	10,348 -------------	31,359 -------------	48,776 -------------	307,581 -------------	-------------
7CHRISTOPHE DUMASOBSERVATORY SCIENTIST	(i) (ii)	116,808 -------------	46,770 -------------	57,823 -------------	27,142 -------------	60,680 -------------	309,223 -------------	-------------
8MARK SIROTATELESCOPE CTRLS GROUP LEADER	(i) (ii)	222,195 -------------	-------------	646 -------------	32,289 -------------	21,035 -------------	276,165 -------------	-------------

Schedule J (Form 990) 2015

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

FORM 990, SCHEDULE J, PART I, LINE 1A

ONE OFFICER RECEIVED A HOUSING ALLOWANCE, WHICH IS INCLUDED IN COLUMN B(III). FORM 990, SCHEDULE J, PART II IN CONNECTION WITH PROFESSIONAL SERVICES RENDERED TO TIO, PHILIP LINDQUIST AND GARY SANDERS ARE COMPENSATED BY CALTECH, A TIO MEMBER ORGANIZATION. Ravinder Bhatia, Lawrence Stepp, Sandra Dawson, Christophe Dumas and Mark Sirota are compensated by TMT Observatory Corpration ("tmt") and provided to TIO pursuant to a personnel administrative agreement. THE AMOUNTS INCLUDED ON PART VII AND SCHEDULE J, PART II REFLECT REIMBURSEMENT AMOUNTS PAID BY TIO TO THESE UNRELATED ORGANIZATIONS FOR THE INDIVIDUAL'S SERVICES. EDWARD STONE IS EMPLOYED AS A PROFESSOR OF PHYSICS AT CALTECH. THE AMOUNTS INCLUDED IN PART VII AND SCHEDULE J REPRESENT HIS COMPENSATION IN CONNECTION WITH HIS SERVICES PROVIDED TO TIO.

Schedule J (Form 990) 2015

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

Information about Schedule O (Form 990 or 990-EZ) and its instructions is at
www.irs.gov/form990.

OMB No. 1545-0047

2015

Open to Public
Inspection

Name of the organization

TMT International Observatory LLC

Employer identification number

30-0833462

Return Reference

Explanation

PART I, LINE 1 AND PART III, LINES 1 AND 4A

TMT INTERNATIONAL OBSERVATORY (TIO) WAS FOUNDED BY THE MEMBERS listed below exclusively to further charitable, educational and scientific purposes and, within such limits, to advance scientific knowledge and education through the study, observation, and collection of images and information from deep space with the objective of furthering human understanding of astronomy and the origins of the universe: 1. The Regents of the University of California ("UC") 2. The California Institute of Technology ("Caltech") 3. The National Institutes of Natural Sciences (the "Japanese National Institutes") 4. The National Astronomical Observatories of the Chinese Academy of Sciences (the "Chinese Academy of Sciences") 5. THE NATIONAL RESEARCH COUNCIL OF CANADA ("NRC") 6. THE DEPARTMENT OF SCIENCE AND TECHNOLGY, GOVERNMENT OF INDIA ("DST") TIO is pursuing its purpose by designing, developing, constructing, and operating a "state-of-the-art" thirty-meter, world class telescope and associated observatory on Mauna Kea in Hawai'i (the "TMT Project") and, in relation thereto, fostering academic and scientific interaction among educational and other research institutions on a global basis. FORM 990, PART VI, LINE 1 The governing body of TIO is its Board. The Board is comprised of three Governors appointed by each member of the organization, and the Executive Director, who is an ex-officio Governor and also sits on the Board. Each member must designate one of its Governors as a Governor who is entitled to vote, so although as of December 31, 2015 the Board had a total of 18 Governors, only six Governors are voting members of the Board. FORM 990, PART VI, LINE 2 CHAIRPERSON, HENRY YANG, IS CHANCELLOR AT THE UNIVERSITY OF CALIFORNIA, SANTA BARBARA. GOVERNOR, MICHAEL BOLTE, AND TREASURER, NATHAN BROSTROM, ARE EMPLOYED BY THE UNIVERSITY OF CALIFORNIA. GOVERNOR DEAN CURRIE, IS VP FOR BUSINESS AND FINANCE AT CALIFORNIA INSTITUTE OF TECHNOLOGY. EXECUTIVE DIRECTOR EDWARD C STONE, IS PROFESSOR OF PHYSICS AT CALIFORNIA INSTITUTE OF TECHNOLOGY. GOVERNOR B. THOMAS SOIFER IS PROFESSOR OF PHYSICS AT CALIFORNIA INSTITUTE OF TECHNOLOGY. GOVERNOR FIONA HARRISON IS CHAIR, DIVISION OF PHYSICS, MATHEMATICS AND ASTRONOMY AT CALIFORNIA INSTITUTE OF TECHNOLOGY. GOVERNOR SHRINIVAS KULKARNI, IS PROFESSOR OF ASTRONOMY AND PLANETARY SCIENCE AND DIRECTOR OF OPTICAL OBSERVATORIES AT CALIFORNIA INSTITUTE OF TECHNOLOGY. Governor Masanori Iye is the TIO Japan representative and a professor at the National Astronomical Observatory of Japan, the National Institute of Natural Sciences. Governor Tomonori Usuda is the Director of the TMT-Japan project and a professor at the National Astronomical Observatory of Japan, the National Institute of Natural Sciences. Governor Raymond Carlberg is a Professor and Chair, Department of Astronomy & Astrophysics, University of Toronto. Carlberg is also a Senior Fellow, Canadian Institute for Advanced Research. Governor Donald Brooks is a Professor of Pathology and Chemistry, University of British Columbia and Executive Director of the Association of Canadian Universities for Research in Astronomy. Governor Gregory Fahlman is General Manager of the Herzberg Astronomy and Astrophysics Portfolio of the National Research of Canada. Dr. Suijian Xue is the Deputy Director General of National Astronomical Observatories of the Chinese Academy of Sciences and the Project Manager for TMT China. Dr. Shude Mao prof of astrophysics of Tsinghua university. Dr. Gang Zhao Deputy Director General of National Astronomical Observatories of the Chinese Academy of Sciences. Dr. B. Eswar Reddy is a Professor at Indian Institute of Astrophysics, Bengaluru and a designated Governor at TIO board representing Department of Science & Technology, Govt. of India. Dr. Praveer Asthana is the head of Mega Science Project at the department of science and Technology, Government of India. FORM 990, PART VI, LINES 6 AND 7 As of 12/31/2015 the Members of TIO were: 1. The Regents of the University of California 2. The California Institute of Technology 3. The National Institutes of Natural Sciences 4. The National Astronomical Observatories of the Chinese Academy of Sciences 5. THE NATIONAL RESEARCH COUNCIL OF CANADA ("NRC") 6. THE DEPARTMENT OF SCIENCE AND TECHNOLGY, GOVERNMENT OF INDIA ("DST") GOVERNANCE DECISIONS OF THE ORGANIZATION INCLUDING THE APPOINTMENT AND NUMBER OF GOVERNORS, ADMISSION OF NEW MEMBERS AND THE TERMS OF SUCH ADMISSION ARE RESERVED TO THE MEMBERS OF THE ORGANIZATION.

FORM 990, PART VI, LINE 11B

WORKING WITH PRICEWATERHOUSECOOPERS, LLP ("PWC"), THE FORM 990 IS PREPARED. THE FORM 990 IS THEN REVIEWED BY MANAGEMENT, THE LEGAL COUNSEL AND THE AUDIT COMMITTEE. PRIOR TO FILING WITH THE IRS THE FINAL FORM 990 IS MADE AVAILABLE TO THE FULL BOARD. PWC SIGNS THE RETURN AS PAID PREPARER AND ELECTRONICALLY FILES THE RETURN WITH THE IRS. FORM 990, PART VI, LINE 12C ON AN ANNUAL BASIS, TIO DISTRIBUTES CONFLICT OF INTEREST QUESTIONNAIRES WHICH THE BOARD MEMBERS, KEY EMPLOYEES AND HIGHEST COMPENSATED EMPLOYEES COMPLETE AND RETURN. MANAGEMENT OF TMT REVIEWS THE RETURNED FORMS FOR COMPLIANCE. IF A CONFLICT IS DISCOVERED IT IS ESCALATED TO THE APPROPRIATE PARTY WITHIN THE ORGANIZATION. FORM 990, PART VI, LINE 18 FORM 990 WILL ALSO BE MADE AVAILABLE THROUGH GUIDESTAR.ORG. FORM 990, PART VI, LINE 19 Availability of governing documents and policies, conflict of INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST. FORM 990, PART VII IN CONNECTION WITH PROFESSIONAL SERVICES RENDERED TO TIO, PHILIP LINDQUIST AND GARY SANDERS ARE COMPENSATED BY CALTECH, A TIO MEMBER ORGANIZATION AND TMT OBSERVATORY CORPORATION ("TMT"). Ravinder Bhatia, Lawrence Stepp, Sandra Dawson, CHRISTOPHE DUMAS and Mark Sirota are compensated by TMT and provided to TIO pursuant to a personnel administrative agreement. THE AMOUNTS INCLUDED ON PART VII AND SCHEDULE J, PART II REFLECT REIMBURSEMENT AMOUNTS PAID BY TIO TO THESE UNRELATED ORGANIZATIONS FOR THE INDIVIDUAL'S SERVICES. EDWARD STONE IS EMPLOYED AS A PROFESSOR OF PHYSICS AT CALTECH. THE AMOUNTS INCLUDED IN PART VII AND SCHEDULE J REPRESENT HIS COMPENSATION IN CONNECTION WITH HIS SERVICES PROVIDED TO TIO.

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

Cat. No. 51056K

Schedule O (Form 990 or 990-EZ) 2015

Additional Data

Software ID:
Software Version:

1	Briefly describe the organization’s mission or most significant activities: SEE SCHEDULE O
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	6
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	6
5	Total number of individuals employed in calendar year 2015 (Part V, line 2a) ......	5	0
6	Total number of volunteers (estimate if necessary) .............	6	0
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	0
b	Net unrelated business taxable income from Form 990-T, line 34 .........	7b	0

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	12,198,719	56,749,079
9	Program service revenue (Part VIII, line 2g) .........	0	0
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....	0	0
11	Other revenue (Part VIII, column (A), lines 5, 6d, 8c, 9c, 10c, and 11e)	0	0
12	Total revenue—add lines 8 through 11 (must equal Part VIII, column (A), line 12)	12,198,719	56,749,079
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...	500,000	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)	0	1,404,126
16a	Professional fundraising fees (Part IX, column (A), line 11e) .....	0	0
b	Total fundraising expenses (Part IX, column (D), line 25) 0
17	Other expenses (Part IX, column (A), lines 11a–11d, 11f–24e)....	15,196,345	13,283,486
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	15,696,345	14,687,612
19	Revenue less expenses. Subtract line 18 from line 12.......	-3,497,626	42,061,467
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	12,584,253	57,256,542
21	Total liabilities (Part X, line 26).............	16,081,879	18,692,701
22	Net assets or fund balances. Subtract line 21 from line 20.....	-3,497,626	38,563,841

Sign Here

	Signature of officer	Date

	Type or print name and title


4a	(Code: ) (Expenses $ 13,853,634 including grants of $ 1,010,000 ) (Revenue $ )
	SEE SCHEDULE O

4b	(Code: ) (Expenses $ including grants of $ ) (Revenue $ )












4c	(Code: ) (Expenses $ including grants of $ ) (Revenue $ )












4d	Other program services (Describe in Schedule O.)
	(Expenses $ including grants of $ ) (Revenue $ )
4e	Total program service expenses13,853,634

(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)				(D) Reportable compensation from the organization (W- 2/1099-MISC)	(E) Reportable compensation from related organizations (W- 2/1099-MISC)	(F) Estimated amount of other compensation from the organization and related organizations
(A) Name and Title
(18) ESWAR REDDY........................................................................ GOVERNOR (SINCE 2/5/15)	4.0 .......................	X				0	0	0
(19) EDWARD STONE........................................................................ EXECUTIVE DIRECTOR	20.0 .......................		X			227,035	0	28,437
(20) DIANA JERGOVIC........................................................................ SECRETARY	4.0 .......................		X			0	0	0
(21) GARY SANDERS........................................................................ PROJECT MANAGER	40.0 .......................			X		274,780	0	43,601
(22) PHILLIP LINDQUIST........................................................................ BUSINESS MANAGER	40.0 .......................			X		210,708	0	56,605
(23) RAVINDER BHATIA........................................................................ ASSOCIATE PROJECT MANAGER	40.0 .......................				X	243,654	0	49,815
(24) LAWRENCE STEPP........................................................................ TELESCOPE DEPARTMENT HEAD	40.0 .......................				X	247,370	0	47,431
(25) SANDRA DAWSON........................................................................ MGR HAWAI'I COMMUNITY AFFAIRS	40.0 .......................				X	227,446	0	80,135
(26) CHRISTOPHE DUMAS........................................................................ OBSERVATORY SCIENTIST	40.0 .......................				X	221,401	0	87,822
(27) MARK SIROTA........................................................................ TELESCOPE CTRLS GROUP LEADER	40.0 .......................				X	222,841	0	53,324

1b	Sub-Total................
c	Total from continuation sheets to Part VII, Section A....
d	Total (add lines 1b and 1c)...........	1,875,235	0	447,170

1a	Federated campaigns..		1a
b	Membership dues..		1b
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	56,749,079

g	Noncash contributions included in lines 1a-1f:$
h Total.Add lines 1a-1f.......		56,749,079

		Business Code
2a
b
c
d
e
f	All other program service revenue.
g Total.Add lines 2a–2f.....		0

3 Investment income (including dividends, interest, and othersimilar amounts) ..........			0
4 Income from investment of tax-exempt bond proceeds			0
5 Royalties...........			0
		(ii) Personal	(i) Real
6a	Gross rents
b	Less: rental expenses
c	Rental income or (loss)	0	0
d	Net rental income or (loss)......			0
		(ii) Other	(i) Securities
7a	Gross amount from sales of assets other than inventory
b	Less: cost or other basis and sales expenses
c	Gain or (loss)
d	Net gain or (loss).....			0
8a	Gross income from fundraising events (not including $ of contributions reported on line 1c). See Part IV, line 18 ....
	a
b	Less: direct expenses ...b
c	Net income or (loss) from fundraising events..			0
9a	Gross income from gaming activities. See Part IV, line 19 ...
	a
b	Less: direct expenses ...b
c	Net income or (loss) from gaming activities..			0
10a	Gross sales of inventory, less returns and allowances ..
	a
b	Less: cost of goods sold ..b
c	Net income or (loss) from sales of inventory..			0
Business Code			Miscellaneous Revenue
11a
b
c
d	All other revenue ....
e	Total. Add lines 11a–11d ......			0
12	Total revenue. See Instructions......			56,749,079

1	Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21	0
2	Grants and other assistance to individuals in the United States. See Part IV, line 22	0
3	Grants and other assistance to governments, organizations, and individuals outside the United States. See Part IV, lines 15 and 16	0
4	Benefits paid to or for members	0
5	Compensation of current officers, directors, trustees, and key employees ....	0
6	Compensation not included above, to disqualified persons (as defined under section 4958(f)(1)) and persons described in section 4958(c)(3)(B) ....	0
7	Other salaries and wages	1,402,717	1,234,391	168,326
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....	0
9	Other employee benefits .......	1,409		1,409
10	Payroll taxes ...........	0
11	Fees for services (non-employees):
a	Management ......	0
b	Legal .........	1,196,806	1,196,806
c	Accounting ...........	229,294		229,294
d	Lobbying ...........	0
e	Professional fundraising services. See Part IV, line 17	0
f	Investment management fees ......	0
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)	282,915	201,009	81,906
12	Advertising and promotion ....	26,012	26,012
13	Office expenses .......	396,917	395,078	1,839
14	Information technology ......	0
15	Royalties ..	0
16	Occupancy ...........	445,457	445,457
17	Travel ............	43,102	27,909	15,193
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .	0
19	Conferences, conventions, and meetings ....	324,505	324,505
20	Interest ...........	835,312	835,312
21	Payments to affiliates .......	0
22	Depreciation, depletion, and amortization ..	103,470	98,671	4,799
23	Insurance ...	244,334	244,334
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	SUBCONTRACTS	7,312,777	7,016,003	296,774
b	LEASE EXPENSES	928,168	928,168
c	SPONSORSHIP & OUTREACH	424,886	424,886
d	EQUIPMENT	128,024	127,913	111
e	All other expenses	361,507	327,180	34,327
25	Total functional expenses. Add lines 1 through 24e	14,687,612	13,853,634	833,978	0
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 ........			5,169,392	1	25,304,541
2	Savings and temporary cash investments .........			0	2	0
3	Pledges and grants receivable, net ......			0	3	0
4	Accounts receivable, net .............			0	4	358,384
5	Loans and other receivables from current and former officers, directors, trustees, key employees, and highest compensated employees. Complete Part II of Schedule L
				0	5	0
6	Loans and other receivables from other disqualified persons (as defined under section 4958(f)(1)), persons described in section 4958(c)(3)(B), and contributing employers and sponsoring organizations of section 501(c)(9) voluntary employees' beneficiary organizations (see instructions) Complete Part II of Schedule L
				0	6	0
7	Notes and loans receivable, net ....			0	7	0
8	Inventories for sale or use ........			0	8	0
9	Prepaid expenses and deferred charges ......			0	9	719,782
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a	1,742,414
b	Less: accumulated depreciation	10b	103,470	0	10c	1,638,944
11	Investments—publicly traded securities .			0	11	0
12	Investments—other securities. See Part IV, line 11 .....			0	12	0
13	Investments—program-related. See Part IV, line 11 ..			0	13	0
14	Intangible assets ...............			0	14	0
15	Other assets. See Part IV, line 11 ...........			7,414,861	15	29,234,891
16	Total assets. Add lines 1 through 15 (must equal line 34)...			12,584,253	16	57,256,542

17	Accounts payable and accrued expenses .....	3,596,010	17	5,065,456
18	Grants payable ...	0	18	0
19	Deferred revenue .........	0	19	115,205
20	Tax-exempt bond liabilities .........	0	20	0
21	Escrow or custodial account liability. Complete Part IV of Schedule D	0	21	0
22	Loans and other payables to current and former officers, directors, trustees, key employees, highest compensated employees, and disqualified
	persons. Complete Part II of Schedule L..	0	22	0
23	Secured mortgages and notes payable to unrelated third parties ..	0	23	0
24	Unsecured notes and loans payable to unrelated third parties ..	0	24	0
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	12,485,869	25	13,512,040
26	Total liabilities. Add lines 17 through 25..	16,081,879	26	18,692,701

	Organizations that follow SFAS 117 (ASC 958), check here and complete lines 27 through 29, and lines 33 and 34.
27	Unrestricted net assets		27
28	Temporarily restricted net assets ...........		28
29	Permanently restricted net assets		29
	Organizations that do not follow SFAS 117 (ASC 958), check here and complete lines 30 through 34.
30	Capital stock or trust principal, or current funds .....	0	30	0
31	Paid-in or capital surplus, or land, building or equipment fund ...	0	31	0
32	Retained earnings, endowment, accumulated income, or other funds	-3,497,626	32	38,563,841
33	Total net assets or fund balances ...........	-3,497,626	33	38,563,841
34	Total liabilities and net assets/fund balances ........	12,584,253	34	57,256,542