Exhibit 99.1

TSX TRUST COMPANY

VIA ELECTRONIC TRANSMISSION

April 2, 2026

TO ALL APPLICABLE EXCHANGES AND COMMISSIONS:

RE:	ELECTRA BATTERY MATERIALS CORPORATION
	Confirmation of Notice of Record and Meeting Dates

We are pleased to confirm that the Notice of Record and Meeting Dates was sent to The Canadian Depository for Securities.

We advise the following with respect to the upcoming Annual and Special Meeting of Security Holders for the subject issuer:

1	ISIN:	CA28474P7065

	CUSIP:	28474P706

2	Date Fixed for the Meeting:	June 23, 2026

3	Record Date for Notice:	April 30, 2026

4	Record Date for Voting:	April 30, 2026

5	Beneficial Ownership Determination Date:	April 30, 2026

6	Classes or Series of Securities that entitle the holder to receive Notice of the Meeting:	COMMON SHARES

7	Classes or Series of Securities that entitle the holder to vote at the meeting:	COMMON SHARES

8	Business to be conducted at the meeting:	Annual and Special

9	Notice-and-Access:
	Registered Shareholders:	YES
	Beneficial Holders:	YES
	Stratification Level:	Not Applicable

10	Reporting issuer is sending proxy-related materials directly to Non-Objecting Beneficial Owners:	NO

11	Issuer paying for delivery to Objecting Beneficial Owners:	NO

Yours truly,

TSX Trust Company

VANCOUVER

733 Seymour Street,

Suite #2310

Vancouver, BC V6B 0S6

CALGARY

Telus Sky Building

2110, 685 Centre Street SW

Calgary Alberta T2G 1S5

TORONTO

301 - 100 Adelaide Street West

Toronto ON M5H 4H1

MONTRÉAL

1701 - 1190, avenue des

Canadiens-de-Montréal, C. P. 37

Montréal (Québec) H3B 0G7

Toll Free 1-866-600-5869

T 604 689-3334

T 403 218-2800

T 416 361-0930

T 514 395-5964

Electra Battery Materials Corp 6-K