SCHEDULE O
(Form 990 or 990-EZ)

Department of the Treasury
Internal Revenue Service
Supplemental Information to Form 990 or 990-EZ

Complete to provide information for responses to specific questions on
Form 990 or 990-EZ or to provide any additional information.
MediumBullet Attach to Form 990 or 990-EZ.
MediumBullet Go to www.irs.gov/Form990 for the latest information.
OMB No. 1545-0047
2020
Open to Public
Inspection
Name of the organization
ASPEN CENTER FOR ENVIRONMENTAL STUDIES
ENDOWMENT FUND
Employer identification number

01-0724451
Return Reference Explanation
FORM 990, PART VI, SECTION B, LINE 11B A DRAFT COPY OF THE FORM 990 IS PROVIDED TO MEMBERS OF THE BOARD OF TRUSTEES AND IS REVIEWED AND APPROVED PRIOR TO FILING.
FORM 990, PART VI, SECTION B, LINE 12C BOARD MEMBERS ARE REQUIRED TO CONTACT KEY STAFF OR BOARD MEMBERS IF THERE IS A CHANGE IN THEIR STATUS.
FORM 990, PART VI, SECTION C, LINE 19 ORGANIZATIONAL DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.
For Paperwork Reduction Act Notice, see the Instructions for Form 990 or 990-EZ.
Cat. No. 51056K
Schedule O (Form 990 or 990-EZ) 2020


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