Ms. Nancy Webb reports

SIENNA ANNOUNCES FIRST QUARTER 2026 RESULTS RELEASE DATE AND CONFERENCE CALL

Sienna Senior Living Inc. will release its 2026 first quarter results after the market close on Tuesday, May 5, 2026. Nitin Jain, president and chief executive officer, and David Hung, chief financial officer and executive vice-president, investments, will host a conference call for the investment community the following day, Wednesday, May 6, 2026, at 10 a.m. ET.

The toll-free dial-in number for participants is 1-800-715-9871, conference ID 8214505. A webcast of the call will be accessible via Sienna's website. The webcast of the call will be available for replay until May 6, 2027, and archived on Sienna's website.

About Sienna Senior Living Inc.

Sienna Senior Living offers a full range of seniors' living options, including independent living, assisted living and memory care under its Aspira retirement brand, long-term care, and specialized programs and services. Sienna's approximately 15,000 employees are passionate about cultivating happiness in daily life.