Apartment Investment and Management Company ("Aimco") announced the departure of Justin Frenzel, Vice President and Chief Accounting Officer, as of June 16, 2021. Mr. Frenzel’s departure was not due to any disagreement relating to accounting matters. In the interim, Aimco’s Chief Financial Officer, Lynn Stanfield (age 46), will assume the responsibility of Principal Accounting Officer. Ms. Stanfield holds a Master of Professional Accountancy, is a licensed CPA, and has a 20-year tenure with Aimco. There are no arrangements or understandings between Ms. Stanfield and any other person pursuant to which Ms. Stanfield was appointed to serve as Principal Accounting Officer. There are no transactions in which Ms. Stanfield has had or will have an interest that would be required to be disclosed pursuant to Item 404(a) of Regulation S-K under the Exchange Act.