Official announcements (8-K)

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsSection 7 - Regulation FD

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn November 9, 2026, Constellation Energy Corporation (Nasdaq: CEG) announced via press release its results for the third quarter ended September 30, 2026. A copy of the press release and related attachments are attached hereto as Exhibit 99.1. Also attached as Exhibit 99.2 to this Current Report on Form 8-K are the presentation slides to be used during the third quarter 2026 earnings conference call. This Form 8-K and the attached exhibits are provided under Items 2.02, 7.01 and 9.01 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. We have scheduled the conference call for 9:00 AM ET on November 9, 2026. To access the call by …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsSection 7 - Regulation FD

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn August 6, 2026, Constellation Energy Corporation (Nasdaq: CEG) announced via press release its results for the second quarter ended June 30, 2026. A copy of the press release and related attachments are attached hereto as Exhibit 99.1. Also attached as Exhibit 99.2 to this Current Report on Form 8-K are the presentation slides to be used during the second quarter 2026 earnings conference call. This Form 8-K and the attached exhibits are provided under Items 2.02, 7.01 and 9.01 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. We have scheduled the conference call for 10:00 AM ET on August 6, 2026. To access the call by phone, …

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsOn August 4, 2026, Robert Lawless, Chair of the Board of Directors (the “Board”) of Constellation Energy Corporation (the “Company”), retired from the Board. In connection with the retirement of Mr. Lawless as Chair of the Board, the Board elected Joseph Dominguez, the Company’s President and Chief Executive Officer, to serve as Chair of the Board, effective August 4, 2026. As a result of Mr. Dominguez being named Chair of the Board, Charles Harrington, Chair of the Corporate Governance Committee of the Board, will also serve as Lead Independent Director of the Board. In addition to the standard compensation for directors disclosed in the Company’s proxy statement, Mr. …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn July 14, 2026, Constellation Energy Corporation (the Company) learned the results of the PJM capacity auction for the 2028-2029 planning year. Each of the Company's power plants located in the PJM market cleared in the auction. Capacity revenues for nuclear units are included in the gross receipts calculation for the Production Tax Credit. The auction results take effect June 1, 2028. The table below lists the Company's cleared capacity volumes for the 2028-2029 capacity auction by zone. Cleared capacity volumes for generation assets held for sale are excluded. Cleared Volumes at Ownership Capacity Performance MW Price COMED Nuclear 9,800 $ 325 Fossil/Others 400 325 …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn June 1, 2026, Constellation Energy Corporation (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with the selling shareholders named in Schedule I thereto (the “Selling Shareholders”) and Morgan Stanley & Co. LLC and J.P. Morgan Securities LLC (collectively, the “Underwriters”), pursuant to which the Selling Shareholders agreed to sell to the Underwriters, and the Underwriters agreed to purchase from the Selling Shareholders, 11,000,000 shares of common stock, without par value (“Common Stock”), of the Company (such offering, the “Offering”). Under the terms of the Underwriting Agreement, the Selling Shareholders granted the …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsSection 7 - Regulation FD

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn May 11, 2026, Constellation Energy Corporation (Nasdaq: CEG) announced via press release its results for the first quarter ended March 31, 2026. A copy of the press release and related attachments are attached hereto as Exhibit 99.1. Also attached as Exhibit 99.2 to this Current Report on Form 8-K are the presentation slides to be used during the first quarter 2026 earnings conference call. This Form 8-K and the attached exhibits are provided under Items 2.02, 7.01 and 9.01 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. We have scheduled the conference call for 10:00 AM ET on May 11, 2026. To access the call by phone, …

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsThe Annual Meeting of Shareholders (“Annual Meeting”) of Constellation Energy Corporation (“Constellation”) was held on April 28, 2026. Shareholders of record as of March 4, 2026, were entitled to receive notice and vote at the Annual Meeting. At the Annual Meeting, the shareholders: 1.Elected eleven director nominees to the Board of Directors, each for a term of one year; 2.Approved, on an advisory basis, the approval of the compensation paid to the named executive officers as disclosed in Constellation’s 2026 proxy statement; and 3.Ratified the appointment of PricewaterhouseCoopers LLP as Constellation’s independent registered public accounting firm for 2026. 4.Did not …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn January 7, 2026, Constellation Energy Corporation (Nasdaq: CEG) (“CEG Parent”) and Constellation Energy Generation, LLC, a Pennsylvania limited liability company (“Constellation”) completed the previously announced transactions contemplated by the Agreement and Plan of Merger, dated January 10, 2025 (the “Merger Agreement”), by and among Calpine Corporation, a Delaware corporation (“Calpine”), certain wholly-owned direct and indirect subsidiaries of Calpine and CEG Parent, and Volt Energy Holdings GP, LLC, a Delaware limited liability company, solely in its capacity as the representative of the stockholders of Calpine (the “Merger”). As a result of the transactions …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsConstellation has scheduled a conference call for 8:00 AM ET on March 31, 2026 to discuss our 2026 Business and Earnings Outlook. To access the call by phone, please follow the registration link available on the Investor Relations page of Constellation’s website: https://investors.constellationenergy.com. The call will also be webcast and archived on the Investor Relations page of Constellation’s website. Media representatives are invited to participate on a listen-only basis. The materials being presented on the call are attached as Exhibit 99.1, are incorporated by reference and are being furnished to, but not filed with, the SEC. Section 9 – Financial Statements and Exhibits

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsOn March 23, 2026, Alan Armstrong notified the Board of Directors (the “Board”) of Constellation Energy Corporation (the “Company”) of his resignation from the Board. His resignation is effective March 23, 2026. Section 9 - Financial Statements and Exhibits

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn January 7, 2026, Constellation Energy Corporation (Nasdaq: CEG) (“CEG Parent”) and Constellation Energy Generation, LLC, a Pennsylvania limited liability company (“Constellation”) completed the previously announced transactions contemplated by the Agreement and Plan of Merger, dated January 10, 2025 (the “Merger Agreement”), by and among Calpine Corporation, a Delaware corporation (“Calpine”), certain wholly-owned direct and indirect subsidiaries of Calpine and CEG Parent, and Volt Energy Holdings GP, LLC, a Delaware limited liability company, solely in its capacity as the representative of the stockholders of Calpine (the “Merger”). As a result of the transactions …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsSection 7 - Regulation FD

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsOn February 24, 2026, Constellation Energy Corporation (Nasdaq: CEG) announced via press release its results for the fourth quarter ended December 31, 2025. A copy of the press release and related attachments are attached hereto as Exhibit 99.1. This Form 8-K and the attached exhibits are provided under Items 2.02, 7.01 and 9.01 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. Section 9 - Financial Statements and Exhibits

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

Took on a major new debt or obligation (Item 2.03)

New borrowing adds to what the company owes and the interest it pays.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

Completed buying or selling a business or major assets (Item 2.01)

Buying or selling a business changes what the company owns and how it earns money.

Took on a major new debt or obligation (Item 2.03)

New borrowing adds to what the company owes and the interest it pays.

Sold shares without a public offering (Item 3.02)

New shares spread the profit across more shares (dilution).

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

Took on a major new debt or obligation (Item 2.03)

New borrowing adds to what the company owes and the interest it pays.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Signed a major agreement (Item 1.01)

A major new contract can change what the company sells, spends or owes.

Sold shares without a public offering (Item 3.02)

New shares spread the profit across more shares (dilution).

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.