AvalonBay Communities, Inc. Announces Participation in Nareit's REITweek Conference, Provides Second Quarter 2025 Operating Update, and Publishes Updated Investor Presentation

AVALONBAY COMMUNITIES, INC. (NYSE:AVB) (the "Company") announced today that the Company will be participating in Nareit's REITweek Conference from June 2 – 5, 2025. During this event, management may discuss the Company's current operating environment and trends; development, redevelopment, disposition and acquisition activity; portfolio strategy and other business and financial matters affecting the Company.

The Company provided the following Same Store Residential operating information⁽¹⁾:

• Revenue for the two months ended May 31, 2025 increased 3.0% over the prior year period, which is approximately 35 basis points above what the Company's expectation was for revenue growth for this two-month period when the Company published its outlook for full year 2025 revenue growth on February 5, 2025. This outperformance is primarily attributable to better-than-expected occupancy and other rental revenue.

The Company has posted an updated Investor Presentation to its website. The presentation can be found in the Investor Relations section of www.avalonbay.com.

Definitions

Economic Occupancy is defined as total possible Residential revenue less vacancy loss as a percentage of total possible Residential revenue. Total possible Residential revenue (also known as "gross potential") is determined by valuing occupied units at contract rates and vacant units at Market Rents. Vacancy loss is determined by valuing vacant units at current Market Rents. By measuring vacant apartments at their Market Rents, Economic Occupancy takes into account the fact that apartment homes of different sizes and locations within a community have different economic impacts on a community's gross revenue.

Like-Term Effective Rent Change for an individual apartment home represents the percentage change in effective rent between two leases of the same lease term category for the same apartment. The Company defines effective rent as the contractual rent for an apartment less amortized concessions and discounts. Like-Term Effective Rent Change with respect to multiple apartment homes represents an average.

Market Rents as reported by the Company are based on the current market rates set by the Company based on its experience in renting apartments and publicly available market data. Market Rents for a period are based on the average Market Rents during that period and do not reflect any impact for cash concessions.

Residential represents results attributable to the Company's apartment rental operations, including parking and other ancillary Residential revenue.

Same Store is composed of consolidated communities where a comparison of operating results from the prior year to the current year is meaningful as these communities were owned and had Stabilized Operations, as defined below, as of the beginning of the respective prior year period. Therefore, for 2025 operating results, Same Store is composed of consolidated communities that have Stabilized Operations as of January 1, 2024, are not conducting or are not probable to conduct substantial redevelopment activities and are not held for sale or probable for disposition within the current year.

Stabilized Operations is defined as operations of a community that occur after the earlier of (i) attainment of 90% physical occupancy or (ii) the one-year anniversary of completion of development or redevelopment.

Forward-Looking Statements

This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which include, but are not limited to, statements related to the Company's operating performance. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. The Company cautions investors that any such forward-looking statements are based on current beliefs or expectations of future events and on assumptions made by, and information currently available to, management. You can identify forward-looking statements by the use of the words "believe," "expect," "anticipate," "intend," "estimate," "assume," "project," "plan," "may," "shall," "will," "pursue," "outlook" and other similar expressions in this press release, that predict or indicate future events and trends and that do not report historical matters. Such forward-looking statements are subject to various risks and uncertainties, including, among others, that occupancy rates and market rents may be adversely affected by competition and local economic and market conditions which are beyond the Company's control and other trends affecting the Company's financial condition or results of operations. These factors should not be construed as exhaustive and should be read in conjunction with the other cautionary statements that are described under the sections entitled "Forward-Looking Statements" and "Risk Factors" in the Company's Annual Report on Form 10-K for the year ended December 31, 2024, as such factors may be updated from time to time in the Company's periodic filings with the SEC, which are accessible on the SEC's website at www.sec.gov. Accordingly, there are or will be important factors that could cause actual outcomes or results to differ materially from those indicated in these statements. The forward-looking statements speak only as of the date of this press release, and the Company expressly disclaims any obligation or undertaking to publicly update or review any forward-looking statement, whether as a result of new information, future developments or otherwise, except to the extent otherwise required by law.

About AvalonBay Communities, Inc.

AvalonBay Communities, Inc., a member of the S&P 500, is an equity REIT that develops, redevelops, acquires and manages apartment communities in leading metropolitan areas in New England, the New York/New Jersey Metro area, the Mid-Atlantic, the Pacific Northwest, and Northern and Southern California, as well as in the Company's expansion regions of Raleigh-Durham and Charlotte, North Carolina, Southeast Florida, Dallas and Austin, Texas, and Denver, Colorado. As of March 31, 2025, the Company owned or held a direct or indirect ownership interest in 309 apartment communities containing 94,865 apartment homes in 11 states and the District of Columbia, of which 19 communities were under development. More information may be found on the Company's website at www.avalonbay.com.

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Matthew Grover

Senior Director

Investor Relations

AvalonBay Communities, Inc.

703-317-4524