GECC · Great Elm Capital Corp. · Investor Relations

Company to Host Conference Call and Webcast at 8:30 AM ET on August 6, 2026 GECC’s Investment Adviser Waives Incentive Fees Totaling $0.9 million or $0.06 Per Share for the Quarter Ended June 30, 2026, in Addition to Previously Waiving all $2.8 million, or $0.20 Per Share of Accrued Incentive Fees Through March 31, 2026 Net Investment Income (“NII”) of $0.32 Per Share in 2Q26 NAV of $7.95 Per Share as of June 30, 2026, Growing Approximately 3% Quarter-over-Quarter Approximately $1.9 Million of Net Realized and Unrealized Investment Gains Generated During 2Q26 Strong Liquidity Position with Approximately $6 Million of Cash and Equivalents, $39 Million of Revolving Credit Facility Availability, and Ample Liquid Assets as of June 30, 2026 Extended Revolving Credit Facility Maturity from 2027 to 2029 Called Remaining $18.6 Million of GECCO Notes due June 2026, Leaving No Debt Maturity Until 2029 In July 2026, Called $6.5 Million of GECCI Notes due April 2029, Retiring Highest Cost Debt

Conference Call Scheduled for Thursday, August 6, 2026, at 8:30 a.m. ET PALM BEACH GARDENS, Fla., Aug. 03, 2026 (GLOBE NEWSWIRE) - Great Elm Capital Corp. (the “Company” or “GECC”) (NASDAQ: GECC), a business development company, today announced that it will release its financial results for the second quarter ended June 30, 2026, after the close of market trading on Wednesday, August 5, 2026. The results will be discussed in a conference call on Thursday, August 6, 2026, at 8:30 a.m. ET. Date/Time: Thursday, August 6, 2026 – 8:30 a.m. ET Participant Dial-In Numbers: (United States): (844) 825-9789 (International): (412) 317-5180 To access the call, please dial-in approximately five minutes before the start time and, when asked, provide the operator with passcode “GECC”. An accompanying slide presentation will be available in pdf format via the “Events and Presentations” section of Great Elm Capital Corp.’s website here after the issuance of the earnings release. Webcast The call

Company to Host Conference Call and Webcast at 8:30 AM ET on May 5, 2026 Jason Reese, Executive Chairman of the Board of Directors, Appointed as CEO of the Company GECC’s Investment Adviser Waives 2Q26 Incentive Fees, Following the Waiver of $2.8 Million, or $0.20 Per Share, of Accrued Incentive Fees through March 31, 2026 Net Investment Income (“NII”) of $0.36 Per Share in 1Q26 Grew Approximately 13% Quarter-over-Quarter NAV of $7.74 Per Share as of March 31, 2026 Called or Repurchased All $57.5 Million of GECCO Notes due June 2026, Leaving No Funded Debt Maturity Until 2029 Strong Liquidity Position with Approximately $10 Million of Cash and Equivalents, $50 Million of Revolving Credit Facility Availability, and Ample Liquid Assets as of March 31, 2026 Repurchased Approximately 1% of GECC's Outstanding Shares at an Average 36% Discount to March 31, 2026, NAV Board Declares $0.25 Per Share Distribution for 2Q26, Resulting in an Annualized Dividend Yield of 18% on

Conference Call Scheduled for Tuesday, May 5, 2026, at 8:30 a.m. ET PALM BEACH GARDENS, Fla., May 01, 2026 (GLOBE NEWSWIRE) - Great Elm Capital Corp. (the “Company” or “GECC”) (NASDAQ: GECC), a business development company, today announced that it will release its financial results for the first quarter ended March 31, 2026, after the close of market trading on Monday, May 4, 2026. The results will be discussed in a conference call on Tuesday, May 5, 2026, at 8:30 a.m. ET. Date/Time: Tuesday, May 5, 2026 – 8:30 a.m. ET Participant Dial-In Numbers: (United States): (877) 407-0789 (International): (201) 689-8562 To access the call, please dial-in approximately five minutes before the start time and, when asked, provide the operator with passcode “GECC”. An accompanying slide presentation will be available in pdf format via the “Events and Presentations” section of Great Elm Capital Corp.’s website here after the issuance of the earnings release. Webcast The call and presentation

Company to Host Conference Call and Webcast at 8:30 AM ET on March 3, 2026 Jason Reese Appointed as Executive Chairman of the Board of Directors, Succeeding Matthew Drapkin and Fortifying the Board’s Management Oversight Mr. Drapkin Continues to Serve as Vice Chairman of Great Elm Group, Inc. - Remaining Engaged with GECC and Great Elm Capital Management, LLC, its Investment Adviser Platform Strengthened with Seasoned Credit Investor Chris Croteau Hired as Head of Research GECC’s Investment Adviser Waives All Accrued Incentive Fees as of December 31, 2025, Equating to Approximately $2.3 Million, or $0.16 Per Share, and 1Q 2026 Incentive Fees Waived as Well GAAP NAV of $8.07 Per Share as of December 31, 2025 Pro Forma NAV of $8.23 Per Share as of December 31, 2025, Reflects Waived Incentive Fees Adjustment Net Investment Income (“NII”) of $0.31 in 4Q 2025 Per Share Grew Over 50% Quarter-over-Quarter Strong Liquidity Position with Approximately $5 Million of Cash and Equivalents, $50

Conference Call Scheduled for Tuesday, March 3, 2026 at 8:30 a.m. ET PALM BEACH GARDENS, Fla., Feb. 27, 2026 (GLOBE NEWSWIRE) - Great Elm Capital Corp. (the “Company” or “GECC”) (NASDAQ: GECC), a business development company, today announced that it will release its financial results for the fourth quarter and full year ended December 31, 2025, after the close of market trading on Monday, March 2, 2026. The results will be discussed in a conference call on Tuesday, March 3, 2026, at 8:30 a.m. ET. Date/Time: Tuesday, March 3, 2026 – 8:30 a.m. ET Participant Dial-In Numbers: (United States): (877) 407-0789 (International): (201) 689-8562 To access the call, please dial-in approximately five minutes before the start time and, when asked, provide the operator with passcode “GECC”. An accompanying slide presentation will be available in pdf format via the “Events and Presentations” section of Great Elm Capital Corp.’s website here after the issuance of the earnings release. Webcast The