Alternus Clean Energy, Inc. — fact timeline

Alternus Clean Energy, Inc. issued 7,583 shares of Series D Convertible Preferred Stock and 684 shares of Series E Convertible Preferred Stock of preferred stock to two existing third party accredited debt holders for total repayment for, and the replacement and cancellation of, outstanding promissory notes in aggregate amount of $7.583 million and $684 thousand.

“on March 31, 2026 the Company settled with two existing third party accredited debt holders, pursuant to which the Company issued (i) 7,583 shares of Series D Convertible Preferred Stock as total repayment for, and the replacement and cancellation of, an outstanding promissory note in the aggregate amount of $7.583 million, and (ii) 684 shares of Series E Convertible Preferred Stock (the “Series E”) as total repayment for, and the replacement and cancellation of, two outstanding promissory notes in the aggregate amount of $684 thousand.”

Alternus Clean Energy, Inc. issued 2,150 shares of Series D Convertible Preferred Stock of preferred stock to a certain third party accredited investor for aggregate gross proceeds of $1,000,000.

“par value $0.0001 per share (the “Shares”) to the Purchaser. The transaction closed on March 27, 2026 (the “Closing Date”). The aggregate gross proceeds to the Company were $1,000,000, all of which were transferred on the Closing Date. The Company intends to use the net proceeds from the Offering for working capital and other general corporate purposes. Put”

Alternus Clean Energy, Inc.: Filed certificates of designation establishing Series D and Series E Convertible Preferred Stock, describing rights and preferences (effective 2026-03-27).

“Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year. Series D Convertible Preferred Stock On March 27, 2026, the board of directors (the “Board”) of the Company declared the formation of an aggregate of up to 20,000 shares of Series D Convertible Preferred Stock, par value $0.0001 per share (“Series D”). The Company has filed a certificate of designation (the “Certificate of Designation”) with the Secretary of State of the State of Delaware therein establishing the Series D Convertible Preferred Stock and describing the rights, obligations and privileges of the Series D.”

Alternus Clean Energy, Inc. entered into Put Option Agreement with the Purchaser (effective 2026-03-27).

“Simultaneously with the Subscription Agreement, The Company also entered into a Put Option Agreement with the Purchaser, pursuant to which the Purchaser has the right, for a period of one year after the Company raises a minimum of $8 million through an equity capital raise, to require the Company to repurchase up to a maximum of 1,150 Series D shares at a price of $1,000 per Series D share repurchased.”

Alternus Clean Energy, Inc. entered into Subscription Agreement with a certain third party accredited investor valued at $1,000,000 (effective 2026-03-27).

“On March 27, 2026, Alternus Clean Energy, Inc., a Delaware corporation (the “Company”) entered into a subscription agreement (the “Subscription Agreement”) with a certain third party accredited investor (the “Purchaser”) pursuant to which the Company sold in a private placement (the “Offering”) an aggregate of 2,150 shares of the Company’s Series D Convertible Preferred Stock, convertible into the Company’s common stock, par value $0.0001 per share (the “Shares”) to the Purchaser.”

Alternus Clean Energy, Inc. issued 400 shares of Series C Convertible Preferred Stock of preferred stock to existing third party accredited debt holders for total repayment for, and cancellation of, an outstanding payable in the amount of $1,200,000.

“(ii) 400 shares of Series C Convertible Preferred Stock as total repayment for, and cancellation of, an outstanding payable in the amount of $1,200,000”

Alternus Clean Energy, Inc. issued 2,750 shares of Series C Convertible Preferred Stock of preferred stock to existing third party accredited debt holders for total repayment for, and the cancellation of, outstanding promissory notes in the aggregate amount of $2,750,000.

“the Company settled with two existing third party accredited debt holders, pursuant to which the Company issued (i) 2,750 shares of Series C Convertible Preferred Stock as total repayment for, and the cancellation of, outstanding promissory notes in the aggregate amount of $2,750,000”

Alternus Clean Energy, Inc. issued 2,625 shares of the Company’s Series C Convertible Preferred Stock of preferred stock to certain investors (the "Purchasers").

“The Subscription Agreements also provide for the issuance of an aggregate of 2,625 shares of the Company’s Series C Convertible Preferred Stock, convertible into the Company’s common stock, par value $0.0001 per share (the “Shares”) to the Purchasers.”

Alternus Clean Energy, Inc. issued convertible note to certain investors (the "Purchasers") for $1,000,000 gross proceeds.

“par value $0.0001 per share (the “Shares”) to the Purchasers. The transaction closed on March 3, 2026 (the “Closing Date”). The aggregate gross proceeds to the Company were $1,000,000, $600,000 of such proceeds were transferred on the Closing Date and the remaining amount will be transferred to the Company in two tranches: the first tranche upon the Company’s”

Alternus Clean Energy, Inc.: Established Series C Convertible Preferred Stock through filing of Certificate of Designation with Delaware Secretary of State (effective 2026-03-03).

“On March 3, 2026, the board of directors (the “Board”) of the Company declared the formation of an aggregate of up to 12,000 shares of Series C Convertible Preferred Stock, par value $0.0001 per share (“Series C”). The Company has filed a certificate of designation (the “Certificate of Designation”) with the Secretary of State of the State of Delaware therein establishing the Series C Convertible Preferred Stock and describing the rights, obligations and privileges of the Series C.”

Alternus Clean Energy, Inc. incurred senior notes of $1,250,000 with certain investors (the "Purchasers") at 20% original issue discount. No interest shall accrue on the Notes. maturing upon the earlier of i) six months from the Issue Date, or ii) the date on which proceeds from a capital raise equals or exceeds $5,000,000.

“Alt Alliance LLC (“AltA”), sold in a private placement (the “Offering”), unsecured 20% original issue discount secured promissory notes with an aggregate principal amount of $1,250,000 (the “Notes”). The Subscription Agreements also provide for the issuance of an aggregate of 2,625 shares of the Company’s Series C Convertible Preferred Stock, convertible into”

Alternus Clean Energy, Inc. entered into unsecured 20% original issue discount secured promissory notes with certain investors (the "Purchasers") valued at aggregate principal amount of $1,250,000 (effective 2026-03-03).

“sold in a private placement (the “Offering”), unsecured 20% original issue discount secured promissory notes with an aggregate principal amount of $1,250,000 (the “Notes”)”

Alternus Clean Energy, Inc. entered into Subscription Agreements with certain investors (the "Purchasers") valued at aggregate gross proceeds to the Company were $1,000,000 (effective 2026-03-03).

“On March 3, 2026, Alternus Clean Energy, Inc., a Delaware corporation (the “Company”) entered into subscription agreements (the “Subscription Agreements”) with certain investors (the “Purchasers”)”

Alternus Clean Energy, Inc. issued 1,150 shares of Series B of preferred stock to Hover Energy LLC for repayment of $1,150,000 owed.

“the Company agreed to repay the total outstanding amount of $5,150,000 owed to Hover under the SAA through the following methods: i) $1,150,000 through the issuance of 1,150 shares of Series B”

Alternus Clean Energy, Inc. issued 20,000 shares of the Company’s Series B Convertible Preferred Stock of preferred stock to Hover Energy LLC for contributed certain Microgrid Projects.

“issued 20,000 shares of the Company’s Series B Convertible Preferred Stock (the “Series B”) to Hover, in exchange for which Hover contributed certain Microgrid Projects to the JV”

Alternus Clean Energy, Inc.: The Company filed a Certificate of Designation establishing Series B Convertible Preferred Stock, setting forth rights, preferences, and privileges (effective 2025-09-30).

“The Company filed a certificate of designation (the "Certificate of Designation") with the Secretary of State of the State of Delaware therein establishing the Series B Convertible Preferred Stock and describing the rights, obligations and privileges of the Series B.”

Alternus Clean Energy, Inc. completed a disposition involving Hover Energy LLC for aggregate consideration value of approximately $21 million (closed 2025-09-30).

“from time to time. The Company has determined the fair value of the Series B issued to Hover to be $1,000 per share, for an aggregate consideration value of approximately $21 million. The Joint Venture brings in a substantial pipeline of Wind Powered Microgrids tm projects and clients in the UK and the US, and the Company believes that the Joint Venture will”

Alternus Clean Energy, Inc. issued convertible note to accredited investors.

“The offer of securities pursuant to the Purchase Agreements and the 2025 Notes, the sale of the 2025 Notes and shares of common stock issuable upon conversion of the 2025 Notes described above was conducted as a private placement pursuant to and in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act, and Rule 506(b) of Regulation D promulgated thereunder (“Regulation D”) for transactions not involving a public offering.”

Alternus Clean Energy, Inc. incurred convertible notes of each in the principal sum of $312,500 with two accredited investors maturing December 2025.

“On September 19, 2025, Alternus Clean Energy, Inc. (the “Company”) entered into two Note Purchase Agreements (the “Purchase Agreement”) with two accredited investors (each an “Investor” and together, the “Investors”), pursuant to which the Company issued a 20% Original Issue Discount promissory convertible note to each Investor (together, the “2025 Notes”) with a maturity date of December 2025, each in the principal sum of $312,500.”

Alternus Clean Energy, Inc. completed a disposition involving OBN Real Estate Limited and BVP Green Bond 2018 Limited (closed 2025-05-07).

“On May 7, 2025, Alternus Clean Energy, Inc. (the “Company”) entered into a Share Purchase Agreement with its subsidiary, Alternus Europe Limited (the “Seller”), OBN Real Estate Limited (the “Majority Buyer”) and BVP Green Bond 2018 Limited (the “Minority Buyer”) (together the “Buyers”) for the sale of the entire issued share capital of AEG MH 02 Limited (“MH02”), including all of MH02’s subsidiaries:”

Alternus Clean Energy, Inc. amended convertible notes with institutional investor at 12% per annum maturing December 31, 2025.

“the Company entered into a Letter Agreement with the Investor, which modifies certain terms and conditions of the Senior Convertible Note issued April 19, 2024 and the Senior Convertible Note issued October 1, 2024, by the Company to the Investor”

Alternus Clean Energy, Inc. incurred loan of up to $558,000 with institutional investor at 12% per annum maturing December 31, 2025.

“the Company agreed to issue to the Investor promissory notes in the aggregate total principal amount of up to $558,000, with the first tranche of $318,000 closing immediately and the remaining $240,000 to close upon request of the Company and at the Investor’s discretion, having a 16.67% original issue discount, an interest rate of 12% per annum and a maturity date of December 31, 2025”

Alternus Clean Energy, Inc. faced acceleration on debt of $5.5 million with Sunrise Development LLC.

“As of March 10, 2025, Alternus Clean Energy, Inc. (the “Company”) breached its payment obligations under a settlement agreement by and between the Company and Sunrise Development LLC (“Sunrise”). As a result, approximately $5.5 million is immediately due and owed by the Company to Sunrise.”

Alternus Clean Energy, Inc.: Creation and issuance of Series A Super Voting Preferred Stock via a Certificate of Designation, establishing voting rights, dividend rights, and liquidation preferences (effective 2025-02-18).

“On February 18, 2025, the Company filed a certificate of designation (the “Certificate of Designation”) with the Secretary of State of the State of Delaware therein establishing the Series A Super Voting Preferred Stock and describing the rights, obligations and privileges of the Series A Super Voting Preferred Stock.”

Alternus Clean Energy, Inc. received a nasdaq delisting notice notice regarding market value (rules 5550(b)(2), 5550(a)(2)).

“February 10, 2025, the Company received a determination letter (the “Delisting Notification”) from the Nasdaq Hearings Advisor stating that the Panel has determined to delist the Company’s common stock, par value $0.0001 per share (the “Common Stock”) from the Nasdaq Capital Market, and Nasdaq will accordingly suspend trading in the Company’s Common Stock, effective at the opening of trading on February 12, 2025, because the Company has not demonstrated compliance with the MVLS Rule, nor does it meet any of the alternative requirements under Nasdaq Listing Rule 5550(b) and has failed to demons”

Alternus Clean Energy, Inc. received a nasdaq delisting notice notice regarding market value (rules 5550(b)(2), 5550(a)(2)).

“February 10, 2025, the Company received a determination letter (the “Delisting Notification”) from the Nasdaq Hearings Advisor stating that the Panel has determined to delist the Company’s common stock, par value $0.0001”

Alternus Clean Energy, Inc. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2), 5810(c)(3)(A)(iv)).

“January 30, 2025, Alternus Clean Energy, Inc., a Delaware corporation (the “Company”) received a letter (the “Minimum Bid Price Deficiency Letter”) from the Listing Qualifications Department (the “Staff”) of The Nasdaq Stock Market LLC (“Nasdaq”), notifying the Company that it was not in compliance with Nasdaq Listing Rule 5550(a)(2) which requires listed companies to maintain a minimum bid price of $1.00 per share (the “Minimum Bid Price Requirement”). Normally, a company would be afforded a 180-calendar day period to demonstrate compliance with the Minimum Bid Price Requirement. However, pur”

Alternus Clean Energy, Inc. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2), 5810(c)(3)(A)(iv)).

“January 30, 2025, Alternus Clean Energy, Inc., a Delaware corporation (the “Company”) received a letter (the “Minimum Bid Price Deficiency Letter”) from the Listing Qualifications Department (the “Staff”) of The Nasdaq S”

Rolf S. Wikborg was elected as Director at Alternus Clean Energy, Inc..

“On January 28, 2025, Rolf S. Wikborg was elected to the Board effective immediately.”

John McQuillan resigned as Class I Director at Alternus Clean Energy, Inc..

“On January 28, 2025, John McQuillan, a Class I director of Alternus Clean Energy, Inc. (the “Company”), notified the Company that they will resign from the Company’s Board of Directors (the “Board”) effective immediately.”

Gita Shah resigned as Chief Sustainability Officer at Alternus Clean Energy, Inc..

“On December 31, 2024, Ms. Gita Shah resigned as Chief Sustainability Officer of the Company, effective immediately.”

Alternus Clean Energy, Inc. completed an acquisition involving LiiON LLC for $5 million (closed 2024-12-11).

“acquisition of certain assets of LiiON, including its customer base, service agreements and intellectual property. As consideration, the Company paid a total consideration of $5 million in the form of debt and equity. Under the said definitive agreements, the total consideration was in the form of a note payable and common stock, whereby: (i) BESS issued a $2”

Alternus Clean Energy, Inc. engaged Kreft & Chiu CPA, LLP as its auditor.

“ommittee approved, and the Company’s Board of Directors (the “Board”) ratified, the engagement of Kreit & Chiu CPA, LLP (the “New Auditor”), and appointed the New Auditor as the Company’s independent registered public”

Alternus Clean Energy, Inc. dismissed Forvis Mazars, LLP as its auditor.

“On November 5, 2024, the Audit Committee of Alternus Clean Energy, Inc. (the “Company”) dismissed Forvis Mazars, LLP (“Forvis Mazars”) as the Company’s independent registered public accounting firm.”

Alternus Clean Energy, Inc. completed a disposition involving Alternus Energy Group Plc. for Euro 10.00 (closed 2024-11-05).

“LLC; ALT US 05 LLC; ALT US 06 LLC; ALT US 07 LLC and its subsidiary River Song Solar LLC; ALT US 08 LLC; ALT US AM LLC (the “Transaction”), for a total consideration of Euro 10.00. Additionally, on November 5, 2024, the Company further entered into another Share Purchase Agreement with Alternus Energy Group Plc., a majority shareholder of the Company, (the”

Alternus Clean Energy, Inc. completed a disposition involving Solis Bond Company DAC (closed 2024-10-03).

“The consummation of the Transfer completed on 3 rd of October 2024”

John McQuillan was elected as Class I director at Alternus Clean Energy, Inc..

“the Company’s stockholders elected John McQuillan as a Class I director.”

Mohammed Javade Chaudhri resigned as Class I Director at Alternus Clean Energy, Inc..

“On May 15, 2024, Mohammed Javade Chaudhri, a Class I director of Altenrus Clean Energy, Inc. (the “Company”), notified the Company that they will resign from the Company’s Board of Directors (the “Board”) effective immediately.”

Alternus Clean Energy, Inc. received a nasdaq deficiency notice notice regarding market value (rules 5550(b)(2)).

“May 6, 2024, Alternus Clean Energy, Inc. (the “Company”) received a letter from the listing qualifications department staff of The Nasdaq Stock Market (“Nasdaq”) notifying the Company that for the last 30 consecutive business days, the Company’s minimum Market Value of Listed Securities (“MVLS”) was below the minimum of $35 million required for continued listing on the Nasdaq Capital Market pursuant to Nasdaq listing rule 5550(b)(2). The notice has no immediate effect on the listing of the Company’s common stock, and the Company’s common stock continues to trade on the Nasdaq Capital Market un”

Alternus Clean Energy, Inc. entered into Membership Interest Purchase and Sale Agreement with C2 Taiyo Fund I, LP valued at approximately $15 million (effective 2024-04-30).

“On April 30, 2024, ALT US 01 LLC (“ ALT ”), a company incorporated under the laws of Delaware and indirect wholly owned subsidiary of Alternus Clean Energy, Inc. (the “ Company ”) entered into a Membership Interest Purchase and Sale Agreement (the “ MIPA ”) by and among ALT and C2 Taiyo Fund I, LP, a Delaware limited partnership (“ C2 ”).”

Vincent Browne was appointed as interim Chief Financial Officer at Alternus Clean Energy, Inc..

“Vincent Browne, the Company’s Chief Executive Officer, will act as interim Chief Financial Officer.”

Joseph E. Duey resigned as Chief Financial Officer at Alternus Clean Energy, Inc..

“On April 25, 2024 Joseph E. Duey, the Company’s Chief Financial Officer, resigned, effective as of April 30, 2024.”

Alternus Clean Energy, Inc. incurred senior notes of $2,160,000 with institutional investor at 7% per annum (12% upon default) maturing April 20, 2025.

“On April 19, 2024, Alternus Clean Energy, Inc. (the “ Company ”), a company incorporated under the laws State of Delaware, entered into a Securities Purchase Agreement (the “ Purchase Agreement ”), by and between the Company and an institutional investor (the “ Investor ”), pursuant to which the Company agreed to issue to the Investor a senior convertible note in the principal amount of $2,160,000, issued with an eight percent (8.0%) original issue discount (the “ Convertible Note ”), and a warrant (the “ Warrant ”) to purchase up to 2,411,088 shares of the Company’s common stock, $0.0001 par value per share (the “ Common Stock ”), equal to 50% of the face value of the Convertible Note divided by the volume weighted average price, at an exercise price of $0.480 per share (the “ Exercise Price ”).”

Alternus Clean Energy, Inc. entered into Securities Purchase Agreement with Institutional Investor valued at $2,160,000 senior convertible note with 8% OID and warrant to purchase up to 2,411,088 shares of com (effective 2024-04-19).

“On April 19, 2024, Alternus Clean Energy, Inc. (the “ Company ”), a company incorporated under the laws State of Delaware, entered into a Securities Purchase Agreement (the “ Purchase Agreement ”), by and between the Company and an institutional investor (the “ Investor ”), pursuant to which the Company agreed to issue to the Investor a senior convertible note in the principal amount of $2,160,000, issued with an eight percent (8.0%) original issue discount (the “ Convertible Note ”), and a warrant (the “ Warrant ”) to purchase up to 2,411,088 shares of the Company’s common stock”

Alternus Clean Energy, Inc. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2), 5810(c)(3)(A)).

“March 20, 2024, Alternus Clean Energy, Inc. (the “Company”) received a letter (the “Notice”) from The Nasdaq Stock Market notifying the Company that, because the closing bid price for its common stock has been below $1.00 per share for 30 consecutive business days, it no longer complies with the minimum bid price requirement for continued listing on The Nasdaq Capital Market. Nasdaq Listing Rule 5550(a)(2) requires listed securities to maintain a minimum bid price of $1.00 per share (the “Minimum Bid Price Requirement”), and Listing Rule 5810(c)(3)(A) provides that a failure to meet the Minimu”

Alternus Clean Energy, Inc. completed a disposition involving Theia Investment (Netherlands) 1 B.V. for approximately €6.5 million (approximately $7 million) (closed 2024-02-21).

“in the Company’s Current Report on Form 8-K filed on January 16, 2024. In exchange, Theia paid to Solis a Purchase Price (as defined in the Rilland SPA) of approximately €6.5 million (approximately $7 million). The foregoing description of the Rilland SPA does not purport to be complete and is qualified in its entirety by reference to the complete text of the”

Alternus Clean Energy, Inc. engaged Mazars USA LLP as its auditor.

“On January 27, 2024, with the approval of the Committee, the Company engaged Mazars USA LLP (“ Mazars ”) as the Company’s independent registered public accounting firm for the fiscal year ended December 31, 2023, effective immediately.”

Alternus Clean Energy, Inc. dismissed BDO USA P.C. as its auditor.

“dismissed BDO USA P.C. as the Company’s independent registered public accounting firm, effective as of December 22, 2023.”

Alternus Clean Energy, Inc. entered into Final Share Purchase Agreement with Donau Investment SARL valued at approximately €54.4 million (approximately $59.1 million) (effective 2024-01-19).

“On January 19, 2024, Solis Bond Company Designated Activity Company (“ Solis ”), a company incorporated under the laws of Ireland and indirect wholly owned subsidiary of Alternus Clean Energy, Inc. (the “ Company ”) entered into a Final Share Purchase Agreement (the “ Final SPA ”) by and between Solis and Donau Investment SARL, a private limited liability company formed under the laws of Luxembourg (“ Donau ,” and together with Solis, the “ Parties ”), pursuant to the Preliminary Share Purchase Agreement (the “ Preliminary SPA ,” and together with the Final SPA, the “ Poland SPA ”) previously entered into on December 22, 2023, by and between the Parties and previously disclosed on the Euronext Growth Oslo stock exchange (the “ Euronext ”) on December 22, 2023.”

Alternus Clean Energy, Inc. entered into Rilland SPA with Theia Investment (Netherlands) 1 B.V. valued at approximately €9.7 million (approximately $10.5 million) (effective 2024-01-16).

“On January 16, 2024, Solis Bond Company Designated Activity Company (“ Solis ”), a company incorporated under the laws of Ireland and indirect wholly owned subsidiary of Alternus Clean Energy, Inc. (the “ Company ”) entered into a Share Purchase Agreement (the “ Rilland SPA ”) by and among Solis and Theia Investment (Netherlands) 1 B.V., a private limited liability company formed under the laws of the Netherlands (“ Theia ”).”