TY 2024 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/1099-NEC)	(F) Estimated amount of other compensation from the organization and related organizations
(1) Charu Thapar...................................................................... Treasurer	0.5 .................	X	X			0	0	0
(2) Francisco Javier Quintana de Una...................................................................... Chief Executive Officer	50.0 .................	X	X			369,301	0	63,737
(3) Shonn Mills...................................................................... Chairman	2.0 .................	X	X			0	0	0
(4) Steve Watts...................................................................... Vice-Chairman	0.5 .................	X	X			0	0	0
(5) David Seel...................................................................... Trustee	0.5 .................	X				0	0	0
(6) Kam Chuen Tse...................................................................... Trustee	0.5 .................	X				0	0	0
(7) Katrin Forster...................................................................... Trustee	0.5 .................	X				0	0	0
(8) Mounib Hammoud...................................................................... Trustee	0.5 .................	X				0	0	0
(9) Scott Duncan...................................................................... Trustee	0.5 .................	X				0	0	0
(10) Shaofeng Wang...................................................................... Trustee	0.5 .................	X				0	0	0
(11) Antony D Wood...................................................................... President	40.0 ................. 10.0		X			558,540	0	81,744
(12) Patricia Thurmond...................................................................... VP Finance and Administration, Board Secretary	40.0 .................		X			122,323	0	24,021
(13) Brian McLaren...................................................................... Sr Director Technology	40.0 .................			X		156,892	0	30,773
(14) Steven Henry...................................................................... Sr Director Events & Strategic Initiatives	40.0 .................			X		154,775	0	38,646
(15) Charles Mutscheller...................................................................... Director Marketing & Communications	40.0 .................				X	137,329	0	28,201
(16) Tracie Moxley...................................................................... Director Member Engagement	40.0 .................				X	107,117	0	38,201

- TIN:

SCHEDULE A
(Form 990)

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

2024

Open to Public
Inspection

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

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).)

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 33 1/3% 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 33 1/3% 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 on 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) 2024

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) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(f) Total
1	Gifts, grants, contributions, and membership fees received. (Do not include any "unusual grant.") ..	2,154,009	2,813,230	3,240,704	3,875,410	4,488,506	16,571,859
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	2,154,009	2,813,230	3,240,704	3,875,410	4,488,506	16,571,859
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) ..						337,750
6	Public support. Subtract line 5 from line 4.						16,234,109

Section B. Total Support

Calendar year (or fiscal year beginning in)		(a) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(f) Total
7	Amounts from line 4..	2,154,009	2,813,230	3,240,704	3,875,410	4,488,506	16,571,859
8	Gross income from interest, dividends, payments received on securities loans, rents, royalties and income from similar sources...	138,392	153,750	231,252	275,428	327,749	1,126,571
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	0	0	0	0	0
11	Total support. Add lines 7 through 10						17,698,430

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

6,301,151

First 5 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 2024 (line 6, column (f) divided by line 11, column (f)) .........

91.726 %

Public support percentage for 2023 Schedule A, Part II, line 14 ...............

90.908 %

16a

33 1/3% support test—2024. 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—2023. 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—2024. 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—2023. 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) 2024

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) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(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) 2020	(b) 2021	(c) 2022	(d) 2023	(e) 2024	(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 on 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 5 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 2024 (line 8, column (f) divided by line 13, column (f)) .........

Public support percentage from 2023 Schedule A, Part III, line 15 ...............

Section D. Computation of Investment Income Percentage

Investment income percentage for 2024 (line 10c, column (f) divided by line 13, column (f)) ......

Investment income percentage from 2023 Schedule A, Part III, line 17 .............

19a

33 1/3% support tests-2024. 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—2023. 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) 2024

Page 4

Part IV

Supporting Organizations

(Complete only if you checked a box on line 12 of Part I. If you checked box 12a, of Part I, complete Sections A and B. If you checked box 12b, of Part I, complete Sections A and C. If you checked box 12c, of Part I, complete Sections A, D, and E. If you checked box12d, 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 lines 3b and 3c 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 box 12a or 12b in Part I, answer lines 4b and 4c 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 lines 5b and 5c 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) .

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

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 on 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 on 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) 2024

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 on lines 11b and 11c below, the governing body of a supported organization?

11a

A family member of a person described on 11a above?

11b

A 35% controlled entity of a person described on line 11a or 11b above? If “Yes” to 11a, 11b, or 11c, provide detail in Part VI.

11c

Section B. Type I Supporting Organizations

Yes

Did the officers, 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 line 2 above, 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 lines 2a and 2b 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 on line 2a, above 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 lines 3a and 3b 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?If "Yes" or "No", 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) 2024

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 0.015 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 0.035	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) 2024

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	1
2 Amounts paid to perform activity that directly furthers exempt purposes of supported organizations, in excess of income from activity	2
3 Administrative expenses paid to accomplish exempt purposes of supported organizations	3
4 Amounts paid to acquire exempt-use assets	4
5 Qualified set-aside amounts (prior IRS approval required - provide details in Part VI)	5
6 Other distributions (describe in Part VI). See instructions	6
7Total annual distributions. Add lines 1 through 6.	7
8 Distributions to attentive supported organizations to which the organization is responsive (provide details in Part VI). See instructions	8
9 Distributable amount for 2024 from Section C, line 6	9
10 Line 8 amount divided by Line 9 amount	10

Section E - Distribution Allocations (see instructions)		(i) Excess Distributions	(ii) Underdistributions Pre-2024	(iii) Distributable Amount for 2024
1 Distributable amount for 2024 from Section C, line 6
2 Underdistributions, if any, for years prior to 2024 (reasonable cause required-- explain in Part VI). See instructions.
3 Excess distributions carryover, if any, to 2024:
a From 2019.......
b From 2020.......
c From 2021.......
d From 2022.......
e From 2023.......
fTotal of lines 3a through e
g Applied to underdistributions of prior years
h Applied to 2024 distributable amount
i Carryover from 2019 not applied (see instructions)
j Remainder. Subtract lines 3g, 3h, and 3i from line 3f.
4Distributions for 2024 from Section D, line 7:
$
a Applied to underdistributions of prior years
b Applied to 2024 distributable amount
c Remainder. Subtract lines 4a and 4b from line 4.
5 Remaining underdistributions for years prior to 2024, 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 2024. 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 2025. Add lines 3j and 4c.
8 Breakdown of line 7:
a Excess from 2020.....
b Excess from 2021.....
c Excess from 2022.....
d Excess from 2023.....
e Excess from 2024.....

Schedule A (Form 990) (2024)

Schedule A (Form 990) 2024

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) 2024

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

Schedule B
(Form 990)
(Rev. January 2025)

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

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

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 ......... Right Arrow

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) (Rev. 1-2025)

Schedule B (Form 990) (Rev. 1-2025) Page 2

Name of organization Council on Tall Buildings and Urban Habitat

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) (Rev. 1-2025)

Schedule B (Form 990) (Rev. 1-2025)

Page 3

Name of organization Council on Tall Buildings and Urban Habitat		Employer identification number 26-3486606

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) (Rev. 1-2025)

Schedule B (Form 990) (Rev. 1-2025)

Page 4


Name of organization Council on Tall Buildings and Urban Habitat			Employer identification number 26-3486606
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) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- 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.
right arrow

Attach to Form 990.
right arrow

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

OMB No. 1545-0047

Open to Public Inspection

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

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 July 25, 2006, 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 right arrow

Number of states where property subject to conservation easement is located right arrow

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
right arrow

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

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 ......................... right arrow

(ii)

Assets included in Form 990, Part X ............................... right arrow

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 .......................... right arrow

Assets included in Form 990, Part X ............................... right arrow

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

Cat. No. 52283D

Schedule D (Form 990) (Rev. 1-2025)

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 right arrow

Permanent endowment right arrow

Term endowment right arrow

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
d	Equipment ....	257,828	151,562	106,266
e	Other .....
Total. Add lines 1a through 1e. (Column (d) must equal Form 990, Part X, column (B), line 10(c).)..				106,266

Schedule D (Form 990) (Rev. 1-2025)

Page 3

Part VII

Investments - Other 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) Closely-held equity interests
(B) Financial derivatives
(C) Corporate bonds	3,293,760	F
(C)
(D)
(E)
(F)
(G)
(H)
Total. (Column (b) must equal Form 990, Part X, col. (B) line 12.)	3,293,760

Part VIII

Investments - Program 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)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
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
Federal Income Taxes
Operating lease obligation	130,076







Total. (Column (b) must equal Form 990, Part X, col.(B) line 25.)	130,076
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) (Rev. 1-2025)

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	7,747,825
2	Amounts included on line 1 but not on Form 990, Part VIII, line 12:
a	Net unrealized gains (losses) on investments ....	2a	1,060,495
b	Donated services and use of facilities .........	2b	251,960
c	Recoveries of prior year grants ...........	2c
d	Other (Describe in Part XIII.) ...........	2d	0
e	Add lines 2a through 2d .....................			2e	1,312,455
3	Subtract line 2e from line 1..................			3	6,435,370
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	58,317
b	Other (Describe in Part XIII.) ...........	4b	3,257
c	Add lines 4a and 4b....................			4c	61,574
5	Total revenue. Add lines 3 and 4c. (This must equal Form 990, Part I, line 12.) ......			5	6,496,944

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	7,004,041
2	Amounts included on line 1 but not on Form 990, Part IX, line 25:
a	Donated services and use of facilities .........	2a	251,960
b	Prior year adjustments ............	2b
c	Other losses ................	2c
d	Other (Describe in Part XIII.) ...........	2d	0
e	Add lines 2a through 2d....................			2e	251,960
3	Subtract line 2e from line 1...................			3	6,752,081
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	58,317
b	Other (Describe in Part XIII.) ...........	4b	0
c	Add lines 4a and 4b.....................			4c	58,317
5	Total expenses. Add lines 3 and 4c. (This must equal Form 990, Part I, line 18.) ......			5	6,810,398

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 (Form 990) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

SCHEDULE F(Form 990)
(Rev. January 2025)

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 arrow

Attach to Form 990. Right arrow

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

OMB No. 1545-0047

Open to Public Inspection

Name of the organization
Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

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)	(e) If activity listed in (d) is a program service, describe specific type of service(s) in the region	(f) Total expenditures for and investments in the region
	East Asia and the Pacific	1	2	Program Services	Office, staffing, travel, and other program expenses	147,619
	Europe (Including Iceland and Greenland)	1	1	Program Services	Research	73,762
	North America (Canada & Mexico only)	0	0	Grantmaking		15,000
	East Asia and the Pacific	0	0	Grantmaking		5,000













3a	Sub-total ....	2	3			241,381
b	Total from continuation sheets to Part I ...	0	0			0
c	Totals (add lines 3a and 3b)	2	3			241,381

For Paperwork Reduction Act Notice, see the Instructions for Form 990.Cat. No. 50082W Schedule F (Form 990) (Rev. 1-2025)

Schedule F (Form 990) (Rev. 1-2025)

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.

(c) Region	(d) Purpose of grant	(e) Amount of cash grant	(f) Manner of cash disbursement
North America (Canada & Mexico only)	Seed Funding Research	15,000	EFT

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 .......	0
3	Enter total number of other organizations or entities .......................	1

Schedule F (Form 990) (Rev. 1-2025)

Schedule F (Form 990) (Rev. 1-2025)Page 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) (Rev. 1-2025)

Page 4

Part IV

Foreign Forms

Schedule F (Form 990) (Rev. 1-2025)

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
Schedule F, Part I, Line 2 Procedures for monitoring use of grant funds	The internal control procedures for each of the offices abroad include monthly monitoring, review, and input to the overall HQ financial accounts by the staff accountant at HQ and overseen by the VP of Finance & Administration. Every request for funds to be sent to the Venice or China Office is substantiated and approved by the Chief Executive Officer's personal review and sign off.
Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements	EAST ASIA AND THE PACIFIC-Accrual; EUROPE (INCLUDING ICELAND AND GREENLAND)-Accrual; NORTH AMERICA (CANADA & MEXICO ONLY)-Accrual
Schedule F, Part II, Line 1 Method used to account for expenditures on org's financial statements	NORTH AMERICA (CANADA & MEXICO ONLY)-Accrual

Schedule F (Form 990) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

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

Schedule I
(Form 990)
(Rev. January 2025)

Department of the Treasury
Internal Revenue Service

Grants and Other Assistance to Organizations,
Governments and Individuals in the United States

Complete if the organization answered "Yes," on Form 990, Part IV, line 21 or 22.
lBullet

Attach to Form 990.
lBullet

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

OMB No. 1545-0047

Open to Public
Inspection

Name of the organization
Council on Tall Buildings and Urban Habitat

Employer identification number
26-3486606

Part I

General Information on Grants and Assistance

Does the organization maintain records to substantiate the amount of the grants or assistance, the grantees' eligibility for the grants or assistance, and
the selection criteria used to award the grants or assistance? ........................

Yes No

Describe in Part IV the organization's procedures for monitoring the use of grant funds in the United States.

Part II

Grants and Other Assistance to Domestic Organizations and Domestic Governments. Complete if the organization answered "Yes" on Form 990, Part IV, line 21, for any recipient

that received more than $5,000. Part II can be duplicated if additional space is needed.

(a) Name and address of organization or government	(b) EIN	(c) IRC section (if applicable)	(d) Amount of cash grant	(e) Amount of non-cash assistance	(f) Method of valuation (book, FMV, appraisal, other)	(g) Description of noncash assistance	(h) Purpose of grant or assistance
(1) Urban Future Inc 104 S Michigan Ave Ste 620 Chicago,IL60603	93-4777683		10,000				Organizational Support

Enter total number of section 501(c)(3) and government organizations listed in the line 1 table ................. Bullet Image

Enter total number of other organizations listed in the line 1 table ........................ . Bullet Image

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

Cat. No. 50055P

Schedule I (Form 990) Rev. 1-2025

Page 2

Part III

Grants and Other Assistance to Domestic Individuals. Complete if the organization answered "Yes" on Form 990, Part IV, line 22.
Part III can be duplicated if additional space is needed.

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

(1)
(2)
(3)
(4)
(5)
(6)
(7)

Part IV

Supplemental Information. Provide the information required in Part I, line 2; Part III, column (b); and any other additional information.

Return Reference	Explanation
Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds	The internal control procedures for each domestic grant include monthly monitoring , review, and input to the overall HQ financial accounts by the staff accountant at HQ and overseen by the VP of Finance & Administration. Every request for funds is substantiated and approved by the Chief Executive Officer's personal review and sign off.

Schedule I (Form 990) Rev. 1-2025

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

Schedule J
(Form 990)
(Rev. January 2025)

Department of the Treasury
Internal Revenue Service

Compensation Information

For certain Officers, Directors, Trustees, Key Employees, and Highest
Compensated Employees
medium right arrow graphic

Complete if the organization answered "Yes" on Form 990, Part IV, line 23.
medium right arrow graphic

Attach to Form 990.
medium right arrow graphic

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

OMB No. 1545-0047

Open to Public Inspection

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

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? ....

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? ....................

Yes

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) (Rev. 1-2025)

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, 1099-MISC compensation, and/or 1099-NEC			(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)
1Francisco Javier Quintana de Una Chief Executive Officer	(i) (ii)	277,191 ------------- 0	27,516 ------------- 0	64,594 ------------- 0	28,273 ------------- 0	35,464 ------------- 0	433,038 ------------- 0	0 ------------- 0
2Antony D Wood President	(i) (ii)	264,133 ------------- 0	244,581 ------------- 0	49,826 ------------- 0	47,504 ------------- 0	34,240 ------------- 0	640,284 ------------- 0	0 ------------- 0
3Steven Henry Sr Director Events & Strategic Initiatives	(i) (ii)	130,531 ------------- 0	23,997 ------------- 0	247 ------------- 0	14,655 ------------- 0	23,991 ------------- 0	193,421 ------------- 0	0 ------------- 0
4Brian McLaren Sr Director Technology	(i) (ii)	149,326 ------------- 0	6,874 ------------- 0	692 ------------- 0	14,939 ------------- 0	15,834 ------------- 0	187,665 ------------- 0	0 ------------- 0
5Charles Mutscheller Director Marketing & Communications	(i) (ii)	130,065 ------------- 0	6,146 ------------- 0	1,118 ------------- 0	12,526 ------------- 0	15,675 ------------- 0	165,530 ------------- 0	0 ------------- 0

Schedule J (Form 990) (Rev. 1-2025)

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
Schedule J, Part I, Line 1a Housing allowance or residence for personal use	A housing allowance of $64,594 was provided to Francisco Javier Quintana de Una, CEO. This was included in his taxable income.
Schedule J, Part I, Line 1b Written policy regarding payment or reimbursement of expenses	The Board reviewed and approved the housing allowance provision.
Schedule J, Part I, Line 5a Compensation contingent on revenues of the organization	Consistent with the President's employment contract, the organization paid to the President additional compensation at a rate of 7.5% contingent upon new revenue brought to the organization.
Schedule J, Part I, Line 7 Non-fixed payments	The board approved nonfixed payments made in the form discretionary bonuses.
Schedule J, Part II Part VII, Line 5	Antony D. Wood, President, received compensation and benefits from Illinois Institute of Technology (IIT) for services provided to IIT as part of a joint academic appointment in his role as President of CTBUH, the filing organization. Total reportable compensation for Antony was $313,959 and non-taxable benefits was $34,240 as reported on his 2024 IIT Form W-2. Of this amount, CTBUH is responsible for $299,615 and the amount paid directly by IIT is $48,584 under the joint agreement.

Schedule J (Form 990) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

Schedule L
(Form 990)
(Rev. January 2025)

Department of the Treasury
Internal Revenue Service

Transactions with Interested Persons

Complete if the organization answered "Yes" on Form 990, Part IV, lines 25a, 25b, 26, 27, 28a, 28b, or 28c, or Form 990-EZ, Part V, line 38a or 40b.
Attach to Form 990 or Form 990-EZ.
Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

Open to Public Inspection

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

Part I

Excess Benefit Transactions (section 501(c)(3), section 501(c)(4), and section 501(c)(29) organizations only).
Complete if the organization answered "Yes" on Form 990, Part IV, line 25a or 25b, or Form 990-EZ, Part V, line 40b.

1(a) Name of disqualified person	(c) Description of transaction	(d) Corrected?
1(a) Name of disqualified person	(c) Description of transaction	Yes	No

Enter the amount of tax incurred by the organization managers or disqualified persons during the year under section 4958. ........................... $

Enter the amount of tax, if any, on line 2, above, reimbursed by the organization ........ $

Part II

Loans to and/or From Interested Persons.
Complete if the organization answered "Yes" on Form 990-EZ, Part V, line 38a, or Form 990, Part IV, line 26; or if the organization reported an amount on Form 990, Part X, line 5, 6, or 22

(a) Name of interested person	(b) Relationship with organization	(c) Purpose of loan	(d) Loan to or from the organization?		(e) Original principal amount	(f) Balance due	(g) In default?		(h) Approved by board or committee?		(i) Written agreement?
(a) Name of interested person	(b) Relationship with organization	(c) Purpose of loan	To	From	(e) Original principal amount	(f) Balance due	Yes	No	Yes	No	Yes	No




Total ............... $

Part III

Grants or Assistance Benefiting Interested Persons.
Complete if the organization answered "Yes" on Form 990, Part IV, line 27.

(a) Name of interested person	(b) Relationship between interested person and the organization	(c) Amount of assistance	(d) Type of assistance	(e) Purpose of assistance

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

Cat. No. 50056A

Schedule L (Form 990) (Rev. 1-2025)

Page 2

Part IV

Business Transactions Involving Interested Persons.
Complete if the organization answered "Yes" on Form 990, Part IV, line 28a, 28b, or 28c.

(a) Name of interested person	(b) Relationship between interested person and the organization	(c) Amount of transaction	(d) Description of transaction	(e) Sharing of organization's revenues?
(a) Name of interested person		(c) Amount of transaction	(d) Description of transaction	Yes	No
(1) Tansri Muliani Wood	Family member of Antony D. Wood, President	106,238	Compensation and benefits		No

Part V

Supplemental Information
Provide additional information for responses to questions on Schedule L (see instructions).

Return Reference	Explanation

Schedule L (Form 990) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

SCHEDULE O
(Form 990)
(Rev. January 2025)
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.
Attach to Form 990 or 990-EZ.
Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

Open to Public
Inspection

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

Return Reference	Explanation
Form 990, Part III, Line 4a-4c Description of program services	(Expenses $ 624,083 including grants of $) CTBUH developed the international standards for measuring and defining tall buildings, as outlined on its website, and is recognized as the arbiter for bestowing designations such as the "World's Tallest Building." These standards also inform the basis of the CTBUH Tall Building Database, the world's premier online resource for accurate, reliable information on tall building data. The CTBUH website provides the public with detailed data, images, and technical information on more than 40,000 tall buildings, and their cities, the world over.
Form 990, Part III, Line 4a-4c Description of program services	(Expenses $ 573,580 including grants of $)(Revenue $ 97,782) Through the publication of books, proceedings, technical guides, research reports, and a monthly newsletter, CTBUH disseminates multidisciplinary information on all aspects of tall buildings and sustainable urban environments.
Form 990, Part III, Line 4a-4c Description of program services	(Expenses $ 267,726 including grants of $ 35,000) CTBUH offers annual competitions for professionals and students to engage in design and research projects. The evaluation of competition proposals and designs are undertaken by an expert peer review committee, which reflects a multi-disciplinary group of tall building/urban experts from around the world with experience in varying fields. The Masters of Tall Buildings and Vertical Urbanism (M.TBVU) program is a collaboration between CTBUH and the Illinois Institute of Technology (IIT), and is the world's first multidisciplinary advanced degree focused specifically on the high-rise and the role of urban density in future cities.
Form 990, Part V, Line 2a	Council on Tall Buildings and Urban Habitat (CTBUH) does not file any W-2s as all payroll, benefits, and payroll tax returns administered through a contracted professional employment organization (PEO). The number of CTBUH employees reported on this line represents the number for which CTBUH reimburses the PEO for all salaries, benefits, payroll taxes, employer costs and added fees. All reimbursed staff expenses are reported on 990 Part VII, Section A and 990 Part IX, Lines 5 - 10.
Form 990, Part VI, Line 1a Delegate broad authority to a committee	Section 1. The Executive Committee shall consist of members, all of whom shall be voting Trustees, except for the Chief Executive Officer, who shall be ex-officio with the power to vote and who shall be counted as part of a quorum for the purpose of transacting business. The Chair, Vice Chair, Chief Executive Officer, Secretary and Treasurer of the Board of Trustees shall be members of the Executive Committee. Section 2. The purpose of the Executive Committee shall be to act on behalf of the Board of Trustees between regularly scheduled meetings of the Board of Trustees where in the business judgment of the Executive Committee an emergency exists, or there is insufficient time to call a special meeting of the Board of Trustees as provided for in these Bylaws, or the Board of Trustees has delegated to the Executive Committee the authority to act on its behalf; assist the Chair and the Chief Executive Officer with their responsibilities to enable the Board of Trustees to function effectively and efficiently, i.e. oversee the work of Board Committees and the Council's planning process and progress on achieving planning goals; and to develop a process to evaluate the performance of the President and/or Chief Executive Officer. Unless the Board of Trustees delegates to the Executive Committee the authority to act on its behalf, the following items are reserved for action by the Board of Trustees: selection, termination, compensation and evaluation (provided the evaluation of the President and/or Chief Executive Officer's performance will be subject to the provisions of their respective employment contract) of the President and/or Chief Executive Officer; selection of corporate legal counsel for the Council; Trustee and Board Officer election and removal; changes in institutional mission, goals and philosophy; amendments to the articles of incorporation; incurring of corporate indebtedness; sale of Council assets or tangible property; and adoption of the annual budget. Without limitation, the following powers are specifically not delegated to the Executive Committee and are reserved for the Board of Trustees: (a) amending or repealing these Bylaws or the Articles of Incorporation; (b) electing, appointing, or removing any Officer, Trustee, or member of any committee, or fixing the compensation of any member of a committee; (c) adopting a plan of merger or adopting a plan of consolidation with another corporation; (d) authorizing the sale, lease, exchange, or mortgage of all or substantially all of the property or assets of the Corporation; (e) filling vacancies on the Board of Trustees or any of its committees; (f) adopting a plan for the distribution of the assets of the Corporation or for dissolution; or (g) amending, altering, repealing, or taking any action inconsistent with any resolution or action of the Board of Trustees which by its terms provides that it shall not be amended, altered, or repealed by any such committee. Section 3. The Executive Committee shall meet as often as is necessary to conduct its business as the Chair determines. A majority of voting Trustee Executive Committee members shall constitute a quorum.
Form 990, Part VI, Line 4 Significant changes to organizational documents	The organization amended its bylaws to make concrete changes to how the organization is governed and operates. The board size was expanded from 9 to 14 members. Officers such as the Chair, Vice Chair, Secretary, and Treasurer can now continue serving beyond three consecutive terms if approved by the board, removing the previous one-year break requirement. The title "Executive Director" was replaced with "Chief Executive Officer" throughout the document. A senior staff member may now be appointed as a second ex-officio, non-voting board member and may serve temporarily as Secretary. Trustees are now required to attend at least half of all meetings each year, with at least one in person. Meeting notices can now be sent by email only, and the Executive Committee may act in place of other standing committees. These changes materially affect leadership structure, board composition, and operational procedures.
Form 990, Part VI, Line 11b Review of form 990 by governing body	Form 990 is prepared by an independent CPA firm and reviewed in detail by the organization's top management. The reviewed Form 990 is then provided to the board of directors prior to filing with the IRS.
Form 990, Part VI, Line 12c Conflict of interest policy	A trustee shall be considered to have a conflict of interest if a trustee (1) has existing or potential financial or other interests that impair or appear to impair the trustee's independent, unbiased judgement in the discharge of his or her responsibilities to CTBUH or (2) is aware that a member of the trustee's family has a financial or other interests that impair or appear to impair the trustee's independent judgement in the discharge of his or her responsibilities to CTBUH. For purposes of this provision, a family member is defined as a spouse, parent, sibling, child, or any other relative residing in the same household as the trustee. Each trustee shall complete and sign a disclosure form provided annually and reviewed by the Board of Trustees. All trustees shall disclose to the board any possible conflict of interest at the earliest practical time. The trustee shall absent himself or herself from discussions of, and abstain from voting on, such matters under consideration by the Board of Trustees or its committees. The minutes of such meeting shall reflect that a disclosure was made and that the trustee with a conflict or possible conflict abstained from voting. Any trustee who is uncertain as to whether a conflict of interest may exist in any matter may request that the Board or committee resolve the question in his or her absence by majority vote.
Form 990, Part VI, Line 15a Process to establish compensation of top management official	The President's overall compensation is determined and approved by the board of directors; which includes the IIT portion of his salary, contracted with the IIT College of Architecture. The annual compensation review is completed based on individual and company performance variables and comparability data is regularly used in this process. This process is documented in the board minutes and as part of the budget approval process.
Form 990, Part VI, Line 15b Process to establish compensation of other employees	The compensation for all other officers is determined and approved by the board of directors. The annual compensation review on all officers is completed based on individual and company performance variables and comparability data is regularly used in this process. This process is documented in the board minutes and as part of the budget approval process.
Form 990, Part VI, Line 19 Required documents available to the public	The governing documents, conflict of interest policy and financial statements are available upon request.
Form 990, Part XI, Line 9 Other changes in net assets or fund balances	Foreign exchange loss - -3257;

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

Cat. No. 51056K

Schedule O (Form 990) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

- TIN:

SCHEDULE R
(Form 990)
(Rev. January 2025)

Department of the Treasury
Internal Revenue Service

Related Organizations and Unrelated Partnerships

Complete if the organization answered "Yes" on Form 990, Part IV, line 33, 34, 35b, 36, or 37.
Attach to Form 990.
Go to www.irs.gov/Form990 for instructions and the latest information.

OMB No. 1545-0047

Open to Public Inspection

Name of the organization

Council on Tall Buildings and Urban Habitat

Employer identification number

26-3486606

Part I

Identification of Disregarded Entities. Complete if the organization answered "Yes" on Form 990, Part IV, line 33.

(a) Name, address, and EIN (if applicable) of disregarded entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Total income	(e) End-of-year assets	(f) Direct controlling entity

Part II

Identification of Related Tax-Exempt Organizations. Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related tax-exempt organizations during the tax year.

(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Exempt Code section	(e) Public charity status (if section 501(c)(3))	(f) Direct controlling entity	(g) Section 512(b)(13) controlled entity?
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Exempt Code section	(e) Public charity status (if section 501(c)(3))	(f) Direct controlling entity	Yes	No

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

Cat. No. 50135Y

Schedule R (Form 990) (Rev. 1-2025)

Page 2

Part III

Identification of Related Organizations Taxable as a Partnership. Complete if the organization answered "Yes" on Form 990, Part IV, line 34, because it had one or more related organizations treated as a partnership during the tax year.

(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(f) Share of total income	(g) Share of end-of-year assets	(h) Disproprtionate allocations?		(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	(j) General or managing partner?		(k) Percentage ownership
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(f) Share of total income	(g) Share of end-of-year assets	Yes	No	(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	Yes	No	(k) Percentage ownership

Part IV

Identification of Related Organizations Taxable as a Corporation or Trust. Complete if the organization answered "Yes" on Form 990, Part IV, line 34 because it had one or more related organizations treated as a corporation or trust during the tax year.

(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(e) Type of entity (C corp, S corp, or trust)	(f) Share of total income	(g) Share of end-of-year assets	(h) Percentage ownership	(i) Section 512(b)(13) controlled entity?
(a) Name, address, and EIN of related organization	(b) Primary activity	(c) Legal domicile (state or foreign country)	(d) Direct controlling entity	(e) Type of entity (C corp, S corp, or trust)	(f) Share of total income	(g) Share of end-of-year assets	(h) Percentage ownership	Yes	No
(1) Urban Future Business Consulting (Shangai) Co Ltd 1239 Si Ping Rd Yangpu District,Shanghai CH	Tall Buildings	CH	Urban Future Inc	C Corporation			100 %	Yes
(2) Urban Future Inc 104 S Michigan Ave Ste 620 Chicago,IL60603 93-4777683	Tall buildings	IL	Council on Tall Buildings and Urban Habitat	C Corporation			100 %	Yes

Schedule R (Form 990) (Rev. 1-2025)

Page 3

Part V

Transactions With Related Organizations. Complete if the organization answered "Yes" on Form 990, Part IV, line 34, 35b, or 36.

Note. Complete line 1 if any entity is listed in Parts II, III, or IV of this schedule.

Yes

1 During the tax year, did the orgranization engage in any of the following transactions with one or more related organizations listed in Parts II-IV?

a Receipt of (i) interest, (ii) annuities, (iii) royalties, or (iv) rent from a controlled entity .....................

b Gift, grant, or capital contribution to related organization(s) ............................

Yes

c Gift, grant, or capital contribution from related organization(s) ............................

d Loans or loan guarantees to or for related organization(s) ............................

e Loans or loan guarantees by related organization(s) ............................

f Dividends from related organization(s) ............................

g Sale of assets to related organization(s) ............................

h Purchase of assets from related organization(s) ............................

i Exchange of assets with related organization(s) ............................

j Lease of facilities, equipment, or other assets to related organization(s) .......................

k Lease of facilities, equipment, or other assets from related organization(s) ......................

l Performance of services or membership or fundraising solicitations for related organization(s) .....................

m Performance of services or membership or fundraising solicitations by related organization(s) .................

n Sharing of facilities, equipment, mailing lists, or other assets with related organization(s) ...................

o Sharing of paid employees with related organization(s) ............................

p Reimbursement paid to related organization(s) for expenses ............................

q Reimbursement paid by related organization(s) for expenses ............................

r Other transfer of cash or property to related organization(s) ............................

s Other transfer of cash or property from related organization(s) ............................

If the answer to any of the above is "Yes," see the instructions for information on who must complete this line, including covered relationships and transaction thresholds.

(a) Name of related organization	(b) Transaction type (a-s)	(c) Amount involved	(d) Method of determining amount involved

Schedule R (Form 990) (Rev. 1-2025)

Page 4

Part VI

Unrelated Organizations Taxable as a Partnership. Complete if the organization answered "Yes" on Form 990, Part IV, line 37.

Provide the following information for each entity taxed as a partnership through which the organization conducted more than five percent of its activities (measured by total assets or gross revenue) that was not a related organization. See instructions regarding exclusion for certain investment partnerships.

(a) Name, address, and EIN of entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	(e) Are all partners section 501(c)(3) organizations?		(f) Share of total income	(g) Share of end-of-year assets	(h) Disproprtionate allocations?		(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	(j) General or managing partner?		(k) Percentage ownership
(a) Name, address, and EIN of entity	(b) Primary activity	(c) Legal domicile (state or foreign country)	Yes	No	(f) Share of total income	(g) Share of end-of-year assets	Yes	No	(i) Code V-UBI amount in box 20 of Schedule K-1 (Form 1065)	Yes	No	(k) Percentage ownership

Schedule R (Form 990) (Rev. 1-2025)

Page 5

Part VII

Supplemental Information

Provide additional information for responses to questions on Schedule R. See instructions.

Return Reference

Explanation

Schedule R, Part IV

In order to operate under the laws in China, Council on Tall Buildings and Urban Habitat established a foreign non-governmental organization (NGO). The NGO has the same board as the filing organization and the NGO operations represent Council on Tall Buildings and Urban Habitat's operations in China under Council on Tall Buildings and Urban Habitat 's Board's supervision. Per our interpretation of the Form 990 instructions and in order to file a complete and accurate return, the NGO's operations are included in the financial activity reported on this Form 990 and the NGO is reported in Schedule R, Part IV as a related organization.

Schedule R (Form 990) (Rev. 1-2025)

Additional Data

Software ID:	24020961
Software Version:	2024v5.1

1	Briefly describe the organization’s mission or most significant activities: To disseminate multi-disciplinary information on all aspects of tall buildings.
2	Check this box
3	Number of voting members of the governing body (Part VI, line 1a) ........	3	10
4	Number of independent voting members of the governing body (Part VI, line 1b) .....	4	9
5	Total number of individuals employed in calendar year 2024 (Part V, line 2a) ......	5	30
6	Total number of volunteers (estimate if necessary) .............	6	9
7a	Total unrelated business revenue from Part VIII, column (C), line 12 ........	7a	0
b	Net unrelated business taxable income from Form 990-T, Part I, line 11 .........	7b

		Prior Year	Current Year
8	Contributions and grants (Part VIII, line 1h) .........	3,875,410	4,488,506
9	Program service revenue (Part VIII, line 2g) .........	1,642,365	1,680,689
10	Investment income (Part VIII, column (A), lines 3, 4, and 7d ) ....	275,428	327,749
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)	5,793,203	6,496,944
13	Grants and similar amounts paid (Part IX, column (A), lines 1–3 )...	55,000	35,000
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)	3,906,018	3,945,263
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)....	2,159,442	2,830,135
18	Total expenses. Add lines 13–17 (must equal Part IX, column (A), line 25)	6,120,460	6,810,398
19	Revenue less expenses. Subtract line 18 from line 12.......	-327,257	-313,454
		Beginning of Current Year	End of Year
20	Total assets (Part X, line 16).............	14,674,929	15,486,149
21	Total liabilities (Part X, line 26).............	1,559,410	1,626,846
22	Net assets or fund balances. Subtract line 21 from line 20.....	13,115,519	13,859,303

Sign Here

	Signature of officer	Date

	Type or print name and title


4a	(Code: ) (Expenses $ 2,304,358 including grants of $ ) (Revenue $ 1,399,312 )
	CTBUH events offer a wide variety of benefits to attendees, speakers, and sponsors. As the recognized international authority on tall buildings, CTBUH conferences are best known by industry leaders for both quality of knowledge-sharing and networking opportunities. By holding conferences and events throughout the world, CTBUH maximizes the international interaction of professionals involved in creating the built environment and makes the most recent knowledge available to these professionals.

4b	(Code: ) (Expenses $ 889,770 including grants of $ ) (Revenue $ )
	CTBUH's membership is made up of the world's leading owners, developers, planners, engineers, designers, suppliers, and builders of the vertical urban realm. Through meaningful, multidisciplinary engagement, CTBUH offers its members the opportunity to share best practice information, promote their expertise globally and in their local region, and shape the future of cities. CTBUH Assemblies comprise dynamic, member-driven committees that can contribute their expertise to CTBUH in many ways: educational programming, research publications, journal articles and peer review participation.

4c	(Code: ) (Expenses $ 759,071 including grants of $ ) (Revenue $ 183,595 )
	CTBUH performs objective research and thought leadership at all scales and distributes findings in the form of technical guidelines, white papers, data studies, and reports that highlight critical issues facing tall buildings and future cities.

	(Code: ) (Expenses $ 624,083 including grants of $ ) (Revenue $ )
	CTBUH developed the international standards for measuring and defining tall buildings, as outlined on its website, and is recognized as the arbiter for bestowing designations such as the "World's Tallest Building." These standards also inform the basis of the CTBUH Tall Building Database, the world's premier online resource for accurate, reliable information on tall building data. The CTBUH website provides the public with detailed data, images, and technical information on more than 40,000 tall buildings, and their cities, the world over.

	(Code: ) (Expenses $ 573,580 including grants of $ ) (Revenue $ 97,782 )
	Through the publication of books, proceedings, technical guides, research reports, and a monthly newsletter, CTBUH disseminates multidisciplinary information on all aspects of tall buildings and sustainable urban environments.

	(Code: ) (Expenses $ 267,726 including grants of $ 35,000 ) (Revenue $ )
	CTBUH offers annual competitions for professionals and students to engage in design and research projects. The evaluation of competition proposals and designs are undertaken by an expert peer review committee, which reflects a multi-disciplinary group of tall building/urban experts from around the world with experience in varying fields. The Masters of Tall Buildings and Vertical Urbanism (M.TBVU) program is a collaboration between CTBUH and the Illinois Institute of Technology (IIT), and is the world's first multidisciplinary advanced degree focused specifically on the high-rise and the role of urban density in future cities.

4d	Other program services (Describe in Schedule O.)
	(Expenses $ 1,465,389 including grants of $ 35,000 ) (Revenue $ 97,782 )
4e	Total program service expenses5,418,588

1b	Sub-Total..............
c	Total from continuation sheets to Part VII, Section A..
d	Total (add lines 1b and 1c).........	1,606,277	0	305,323

(A) Name and business address	(B) Description of services	(C) Compensation
Multiple 845 W Washington Blvd 5th Fl Chicago,IL60607	Rebranding Services	106,500




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 1

1a	Federated campaigns..		1a
b	Membership dues..		1b	1,363,465
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	3,125,041

g	Noncash contributions included in lines 1a - 1f:$		1g

h Total. Add lines 1a-1f.......		4,488,506

		Business Code
2a	Congress & conferences	900099	1,399,312	1,399,312
b	Research	900099	183,595	183,595
c	Publications	900099	97,782	97,782
d
e
f	All other program service revenue.		0	0	0	0
g	Total. Add lines 2a–2f .....		1,680,689

3 Investment income (including dividends, interest, and othersimilar amounts) ......			327,749			327,749
4 Income from investment of tax-exempt bond proceeds
5 Royalties...........
			(i) Real	(ii) Personal
6a	Gross rents	6a
b	Less: rental expenses	6b
c	Rental income or (loss)	6c	0	0
d	Net rental income or (loss).......
			(i) Securities	(ii) Other
7a	Gross amount from sales of assets other than inventory	7a	94
b	Less: cost or other basis and sales expenses	7b	94
c	Gain or (loss)	7c	0	0
d	Net gain or (loss).........			0			0
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..			0
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
b	Less: cost of goods sold ..		10b
c	Net income or (loss) from sales of inventory..

Business Code
11a
b
c
d	All other revenue ....			0	0	0	0
e	Total. Add lines 11a–11d ......			0
12	Total revenue. See instructions.....			6,496,944	1,680,689	0	327,749

1	Grants and other assistance to domestic organizations and domestic governments. See Part IV, line 21 ....	15,000	15,000
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. .............	20,000	20,000
4	Benefits paid to or for members .......	0	0
5	Compensation of current officers, directors, trustees, and key employees ...........	1,552,168	1,219,394	332,774
6	Compensation not included above, to disqualified persons (as defined under section 4958(f)(1)) and persons described in section 4958(c)(3)(B) .........	106,238	106,238
7	Other salaries and wages........	1,875,583	1,450,695	424,888
8	Pension plan accruals and contributions (include section 401(k) and 403(b) employer contributions) ....	93,492	73,448	20,044
9	Other employee benefits .......	89,816	70,560	19,256
10	Payroll taxes ...........	227,966	179,092	48,874
11	Fees for services (non-employees):
a	Management ......
b	Legal .........	24,871	12,381	12,490
c	Accounting ...........	33,930		33,930
d	Lobbying ...........
e	Professional fundraising services. See Part IV, line 17
f	Investment management fees ......	58,317		58,317
g	Other (If line 11g amount exceeds 10% of line 25, column (A) amount, list line 11g expenses on Schedule O)	0	0	0	0
12	Advertising and promotion ....
13	Office expenses .......	156,769	134,349	22,420
14	Information technology ......	251,370	188,672	62,698
15	Royalties ..
16	Occupancy ...........	228,760	171,570	57,190
17	Travel ............	203,554	201,326	2,228
18	Payments of travel or entertainment expenses for any federal, state, or local public officials .
19	Conferences, conventions, and meetings ....	1,103,095	1,077,248	25,847
20	Interest ...........
21	Payments to affiliates .......
22	Depreciation, depletion, and amortization ..	19,359		19,359
23	Insurance ...	15,688		15,688
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	Staff development	124,655	16,786	107,869
b	Research & resource library	60,666	60,652	14
c	Publications	32,224	31,199	1,025
d	Dues & subscriptions	23,382	21,109	2,273
e	All other expenses	493,495	368,869	124,626	0
25	Total functional expenses. Add lines 1 through 24e	6,810,398	5,418,588	1,391,810	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 ........			152,606	1	261,871
2	Savings and temporary cash investments .........			2,704,803	2	2,326,384
3	Pledges and grants receivable, net ......				3
4	Accounts receivable, net .............			354,590	4	26,157
5	Loans and other receivables from 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 .......
				0	5	0
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) ...
				0	6	0
7	Notes and loans receivable, net ...........				7
8	Inventories for sale or use ............			183,919	8	197,037
9	Prepaid expenses and deferred charges ......			298,232	9	229,728
10a	Land, buildings, and equipment: cost or other basis. Complete Part VI of Schedule D	10a	257,828
b	Less: accumulated depreciation	10b	151,562	19,124	10c	106,266
11	Investments—publicly traded securities .			8,151,260	11	8,909,180
12	Investments—other securities. See Part IV, line 11 .....			2,501,138	12	3,293,760
13	Investments—program-related. See Part IV, line 11 ..			0	13
14	Intangible assets ...............				14
15	Other assets. See Part IV, line 11 ...........			309,257	15	135,766
16	Total assets. Add lines 1 through 15 (must equal line 33)...			14,674,929	16	15,486,149

17	Accounts payable and accrued expenses .....	164,354	17	633,862
18	Grants payable ...		18
19	Deferred revenue .........	1,045,593	19	862,908
20	Tax-exempt bond liabilities .........		20
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 .........
		0	22	0
23	Secured mortgages and notes payable to unrelated third parties ..		23
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	349,463	25	130,076
26	Total liabilities. Add lines 17 through 25..	1,559,410	26	1,626,846

	Organizations that follow FASB ASC 958, check here and complete lines 27, 28, 32, and 33.
27	Net assets without donor restrictions ..........	13,070,519	27	13,789,303
28	Net assets with donor restrictions ...........	45,000	28	70,000
	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 ...........	13,115,519	32	13,859,303
33	Total liabilities and net assets/fund balances ........	14,674,929	33	15,486,149

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