☒  Form 20-F

☐  Form 40-F

Exhibit Number		Exhibit
99.1		Final Report of Inspector of Elections

	ATLANTICA SUSTAINABLE INFRASTRUCTURE PLC
	/s/ Santiago Seage
	Name: Santiago Seage
	Title:   Chief Executive Officer
Date: May 5, 2023

1)

Before entering upon the discharge of my duties as Inspector of Election at the Meeting, I took and signed an Oath of Inspector of Election.

2)

The Meeting took place at Bay Adelaide Centre, 333 Bay Street, Suite 810, Toronto, Ontario, Canada, M5H 2R2, with a satellite meeting at Great West House, GW1, 17th floor, Great West Rd, Brentford TW8 9DF, United Kingdom, pursuant to notice duly given.

3)

As of April 11, 2023, the record date for the determination of shareholders entitled to receive notice of the Meeting, there were 116,153,273 shares of the Company’s Common Stock, each share being entitled to one vote, constituting all of the outstanding voting securities of the Company.

4)

At the Meeting, the holders of 87,993,921 shares of the Company’s Common Stock were voted, with at least two members represented in person, constituting a quorum.

5)

The undersigned canvassed the votes of the shareholders cast by ballot or proxy on the matters presented at the Meeting.

6)

At the Meeting, the vote on a resolution to receive and adopt the accounts and reports of the directors and auditors for the year ended 31 December 2022, was as follows:

7)

At the Meeting, the vote to approve the directors' remuneration report, excluding the directors' remuneration policy, for the year ended 31 December 2022, was as follows:

8)

At the Meeting, the vote to approve amendments to the directors' remuneration policy, was as follows:

9)

At the Meeting, the vote to re-elect Michael Woollcombe as director was as follows:

10)

At the Meeting, the vote to re-elect Michael Forsayeth as director was as follows:

11)

At the Meeting, the vote to re-elect William Aziz as director was as follows:

12)

At the Meeting, the vote to re-elect Brenda Eprile as director was as follows:

13)

At the Meeting, the vote to re-elect Debora Del Favero as director was as follows:

14)

At the Meeting, the vote to re-elect Arun Banskota as director was as follows:

15)

At the Meeting, the vote to re-elect George Trisic as director was as follows:

16)

At the Meeting, the vote to re-elect Edward C. Hall III as director was as follows:

17)

At the Meeting, the vote to re-elect Santiago Seage as director was as follows:

18)

At the Meeting, the vote regarding the re-appointment of Ernst & Young LLP and Ernst & Young S.L. to hold office until 31 December 2024, was as follows:

19)

At the Meeting, the vote to authorize the Company’s audit committee to determine the remuneration of the auditors, was as follows:

20)

At the Meeting, the vote to authorize the board of directors to issue shares, was as follows:

21)

At the Meeting, the vote to authorize the board of directors to issue equity securities without pre-emptive rights up to approximately 12% of the aggregate nominal value of the issued share capital of the Company for general purposes, was as follows:

22)

At the Meeting, the vote to authorize the board of directors to issue equity securities without pre-emptive rights up to approximately 12% of the aggregate nominal value of the issued share capital of the Company in connection with an acquisition or specified capital investment, was as follows:

23)

At the Meeting, the vote to authorize the reduction of the Company’s share premium account by U.S.$250,000,000, was as follows:

24)

At the Meeting, the vote to authorize the purchase of the Company’s own shares, was as follows:

Inspector of Election
/s/ Anthony P. Carideo
Anthony P. Carideo