Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the shares of Common Shares, no par value, of Algonquin Power & Utilities Corp. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
| Starboard Value LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value GP LLC, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value and Opportunity Master Fund III LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value A LP, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value and Opportunity S LLC | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value LP, its manager | ||
| Date: | 04/01/2026 | |
| Starboard X Master Fund II LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value R LP, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value R LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value R GP LLC, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value and Opportunity Master Fund L LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value L LP, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value L LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value R GP LLC, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value R GP LLC | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory | ||
| Date: | 04/01/2026 | |
| Starboard G Fund, L.P. | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value G GP, LLC, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value G GP, LLC | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value A LP, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value A LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Value A GP LLC, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Value A GP LLC | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory | ||
| Date: | 04/01/2026 | |
| Starboard Value GP LLC | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Principal Co LP, its member | ||
| Date: | 04/01/2026 | |
| Starboard Principal Co LP | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory for Starboard Principal Co GP LLC, its general partner | ||
| Date: | 04/01/2026 | |
| Starboard Principal Co GP LLC | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Authorized Signatory | ||
| Date: | 04/01/2026 | |
| Smith Jeffrey C | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Attorney-in-Fact for Jeffrey C. Smith | ||
| Date: | 04/01/2026 | |
| Feld Peter A | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Attorney-in-fact for Peter A. Feld | ||
| Date: | 04/01/2026 | |
| Molinelli Gavin | ||
| By: |
/s/ Lindsey Cara |
|
| Lindsey Cara, Attorney-in-fact for Gavin T. Molinelli | ||
| Date: | 04/01/2026 | |