Sienna Senior Living Inc. announced the appointment of Ms. Barbara Bellissimo to its Board of Directors, effective November 9, 2023. Ms. Bellissimo is a seasoned executive with over 30 years of experience in the insurance and the financial services sectors. She is a former head of one of the top property and casualty insurers in Canada and held several influential senior executive roles in Canada and the United States.

Ms.Bellissimo is renowned for her leadership and development of culture on her teams.She is also an experienced corporate director and an active community leader with board affiliations in the health sector, the arts, and academia. Ms. Bellissimo currently serves as the Board Chair of the South lake Regional Hospital Foundation. Also, Ms. Paula Jourdain Coleman announced her resignation as a director and Chair of the Quality Committee of the Company after having served on the Board of Directors for nearly a decade following Sienna's acquisition of Specialty Care Inc., a senior living company of which she was Chair and Chief Executive Officer, and where she led its transformation from four small rural homes into a vibrant organization.

Throughout her career, Ms. Jourdain Coleman helped shape senior living in Ontario, including as past President of the Ontario Long Term Care Association (OLTCA)and the Ontario Retirement Communities Association (ORCA). Ms. Jourdain Coleman's resignation is effective on January1, 2024. As part of the ongoing renewal of Sienna's Board, effective immediately, Ms. Bellissimo has been appointed to the Audit Committee and the Compensation, Governance and Nominating Committee.