Riverstone 2026 Uninstructed Proxy – FirstService Residential

RIVERSTONE POA

2026 ANNUAL MEETING

DECEMBER 8, 2026

UNINSTRUCTED PROXY

USE THIS FORM IF YOU ARE UNABLE TO ATTEND THE MEETING IN PERSON.

SUBMIT YOUR COMPLETED PROXY BY 4:00 PM ON TUESDAY, DECEMBER 1, 2026

I, of , being a

member in good standing of Riverstone POA, under the provisions of the Bylaws, do hereby grant my/our proxy with respect to the legitimate business to be conducted at the Annual Meeting.

Check one (1) only:A. PRESIDENT to vote as he/she sees fit.B. NAMED PROXY to vote as he/she sees fit (entered proxy name in space below)*C. Count me present for quorum purposes only.

*If you selected B. above please enter your proxy here

This proxy is executed for the 2026 Annual Meeting scheduled for December 8, 2026, at 6:00 PM or any adjournments or continuations thereof. If the box above is left blank, this proxy will be used for quorum purposes. This proxy must be signed and dated below in order to be valid.

YOUR COMPLETED UNINSTRUCTED PROXY MUST BE PRESENT AT THE START OF THE MEETING ON DECEMBER 8, 2026 TO BE COUNTED.

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Riverstone 2026 Uninstructed Proxy

Unique Document ID: 8c17f9f5a4a62c7cc03b40d57ed83946b38d2c3c

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October 8, 2026 1:52 pm UTC

Riverstone 2026 Uninstructed Proxy Uploaded by Community Support Services East - [email protected] IP 172.71.23.7:41452

October 8, 2026 2:03 pm UTC

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October 8, 2026 2:04 pm UTC

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