Main Street Capital CORP — fact timeline

Main Street Capital CORP reported first quarter ended March 31, 2026 results: revenue $140.1 million, net income $84.6 million, EPS $0.93 per share.

“Distributable net investment income (“DNII”) (1) of $90.8 million , or $1.00 per share • DNII before taxes (2) of $94.1 million , or $1.04 per share • Total investment income of $140.1 million • An industry leading position in cost efficiency, with a ratio of total non-interest operating expenses as a percentage of quarterly average total assets (“Operating Expenses to”

Main Street Capital CORP shareholders approved Advisory approval of compensation of named executive officers at the 2026-05-04 meeting.

“3. A proposal to approve, on an advisory basis, the compensation of Main Street’s named executive officers: Votes For Votes Against Abstentions Broker Non-Votes 21,130,409 2,360,700 891,389 32,988,613”

Main Street Capital CORP shareholders approved Ratification of appointment of Grant Thornton LLP as independent registered public accounting firm for year ending December 31, 2026 at the 2026-05-04 meeting.

“2. A proposal to ratify the appointment of Grant Thornton LLP as Main Street’s independent registered public accounting firm for the year ending December 31, 2026: Votes For Votes Against Abstentions 56,331,550 451,015 588,546”

Main Street Capital CORP shareholders approved Election of each of the members of Main Street's Board of Directors for a term of one year at the 2026-05-04 meeting.

“1. A proposal to elect each of the members of Main Street’s Board of Directors for a term of one year: Votes For Votes Against Abstentions Broker Non-Votes J. Kevin Griffin 22,216,170 1,799,074 367,254 32,988,613 John E. Jackson 22,604,064 1,419,652 358,782 32,988,613 Brian E. Lane 22,135,027 1,890,258 357,213 32,988,613 Dunia A. Shive 23,065,204 914,188 403,106 32,988,613 Stephen B. Solcher 22,594,269 1,426,634 361,595 32,988,613 Vincent D. Foster 22,846,232 1,195,274 340,992 32,988,613 Dwayne L. Hyzak 23,629,816 400,265 352,417 32,988,613”

Main Street Capital CORP reported fiscal quarter ended March 31, 2026 results: net income $0.91 to $0.95 per share, EPS $0.91 to $0.95 per share.

“2026 results in a few weeks .” Preliminary Estimates of First Quarter 2026 Results Main Street’s preliminary estimate of first quarter 2026 net investment income (“NII”) is $0.91 to $0.95 per share, distributable net investment income (“DNII”) (1) is $0.98 to $1.02 per share and DNII before taxes (2) is $1.02 to $1.06 per share . Main Street’s preliminary”

Main Street Capital CORP incurred senior notes of $150,000,000 with certain qualified institutional investors at 6.93% maturing April 15, 2031.

“On April 8, 2026, Main Street Capital Corporation (“Main Street”) and certain qualified institutional investors entered into a Master Note Purchase Agreement (the “Note Purchase Agreement”), which governs the issuance of $150,000,000 in aggregate principal amount of 6.93% Series A Senior Notes due April 15, 2031”

Main Street Capital CORP entered into Master Note Purchase Agreement with certain qualified institutional investors valued at $150,000,000 6.93% Series A Senior Notes due April 15, 2031 (effective 2026-04-08).

“On April 8, 2026, Main Street Capital Corporation (“Main Street”) and certain qualified institutional investors entered into a Master Note Purchase Agreement (the “Note Purchase Agreement”), which governs the issuance of $150,000,000 in aggregate principal amount of 6.93% Series A Senior Notes due April 15, 2031 (the “Series A Notes”).”

Main Street Capital CORP incurred senior notes of $200,000,000 with The Bank of New York Mellon Trust Company, N.A. at 6.95% maturing March 1, 2029.

“On March 27, 2026, Main Street Capital Corporation (“Main Street”) entered into an underwriting agreement (the “Underwriting Agreement”) by and between Main Street and RBC Capital Markets, LLC, as representative of the underwriters named on Schedule A thereto, in connection with the issuance and sale of an additional $200,000,000 in aggregate principal amount (the “Offering”) of Main Street’s 6.95% notes due 2029 (the “New Notes”).”

Main Street Capital CORP entered into Underwriting Agreement with RBC Capital Markets, LLC, as representative of the underwriters named on Schedule A thereto valued at $200,000,000 (effective 2026-03-27).

“On March 27, 2026 , Main Street Capital Corporation (“Main Street”) entered into an underwriting agreement (the “Underwriting Agreement”) by and between Main Street and RBC Capital Markets, LLC, as representative of the underwriters named on Schedule A thereto, in connection with the issuance and sale of an additional $200,000,000 in aggregate principal amount (the “Offering”) of Main Street’s 6.95% notes due 2029 (the “New Notes”).”

Main Street Capital CORP incurred senior notes of $350.0 million in aggregate principal amount with J.P. Morgan Securities LLC, as representative of the underwriters at 5.40% maturing August 15, 2028.

“the issuance and sale of $350.0 million in aggregate principal amount (the “Offering”) of Main Street’s 5.40% notes due 2028 (the “Notes”).”

Main Street Capital CORP amended revolving credit with Truist Bank at one-month term Secured Overnight Financing Rate plus an applicable margin of (a) maturing September 2030.

“The Amendment amended the Credit Agreement as follows: (i) decreased the interest rate to one-month term Secured Overnight Financing Rate plus an applicable margin of (a) 1.95% during the revolving period (from 2.35%), (b) 2.075% for the first year following the end of the revolving period (from 2.475%) and (c) 2.20% for the second year following the end of the revolving period (from 2.60%), (ii) extended the revolving period from through September 2027 to through September 2028, (iii) extended the final maturity date from September 2029 to September 2030, (iv) decreased the unused fee to 0.40% (from 0.50%) on the unused amount up to 50% (from 35%) of the commitment amount and (v) other changes as described in the Amendment.”

Main Street Capital CORP reported the first quarter ended March 31, 2024 results: revenue Total investment income of $131.6 million, net income Net investment income of $89.8 million (or $1.05 per share), EPS $1.05 per share.

“• Net investment income of $89.8 million (or $1.05 per share) • Distributable net investment income (1) of $94.4 million (or $1.11 per share) • Total investment income of $131.6 million • An industry leading position in cost efficiency, with a ratio of total non-interest operating expenses as a percentage of quarterly average total assets (“Operating Expenses to”

Main Street Capital CORP shareholders approved Advisory approval of named executive officer compensation at the 2024-05-06 meeting.

“3. A proposal to approve, on an advisory basis, the compensation of Main Street’s named executive officers: Votes For Votes Against Abstentions Broker Non-Votes 20,956,747 2,383,431 806,909 31,786,174”

Main Street Capital CORP shareholders approved Ratify appointment of Grant Thornton LLP as independent registered public accounting firm for 2023 at the 2024-05-06 meeting.

“2. A proposal to ratify the appointment of Grant Thornton LLP as Main Street’s independent registered public accounting firm for the year ending December 31, 2023: Votes For Votes Against Abstentions 54,898,097 576,314 458,850”

Main Street Capital CORP shareholders approved Election of directors at the 2024-05-06 meeting.

“1. A proposal to elect each of the members of Main Street’s Board of Directors for a term of one year: Votes For Votes Against Abstentions Broker Non-Votes J. Kevin Griffin 23,453,191 419,762 274,139 31,786,169 John E. Jackson 23,460,682 402,377 284,038 31,786,164 Brian E. Lane 22,661,358 1,200,502 285,233 31,786,168 Dunia A. Shive 23,350,493 517,643 278,965 31,786,160 Stephen B. Solcher 23,540,508 319,165 287,424 31,786,164 Vincent D. Foster 22,833,602 1,022,678 290,817 31,786,164 Dwayne L. Hyzak 22,861,624 1,005,661 279,810 31,786,166”

Main Street Capital CORP reported first quarter of 2024 results: net income $1.04 to $1.06 per share.

“Main Street’s preliminary estimate of first quarter 2024 net investment income (“NII”) is $1.04 to $1.06 per share”

Main Street Capital CORP reported the fourth quarter of 2023 results: net income $1.06 to $1.08 per share.

“Main Street’s preliminary estimate of fourth quarter 2023 net investment income (“NII”) is $1.06 to $1.08 per share and distributable net investment income (“DNII”) is $1.11 to $1.13 per share.”

Main Street Capital CORP incurred senior notes of $350 million in aggregate principal amount with SMBC Nikko Securities America, Inc., as representative of the underwriters at 6.95% maturing March 1, 2029.

“by and among Main Street and SMBC Nikko Securities America, Inc., as representative of the underwriters named in Schedule A thereto, in connection with the issuance and sale of $350 million in aggregate principal amount (the “Offering”) of Main Street’s 6.95% notes due 2029 (the “Notes”). The Offering closed on January 12, 2024 and the Notes were issued under a”

Main Street Capital CORP entered into Underwriting Agreement with SMBC Nikko Securities America, Inc., as representative of the underwriters named in Schedule A thereto valued at $350 million (effective 2024-01-10).

“On January 10, 2024, Main Street Capital Corporation (“Main Street”) entered into an underwriting agreement (the “Underwriting Agreement”) by and among Main Street and SMBC Nikko Securities America, Inc., as representative of the underwriters named in Schedule A thereto, in connection with the issuance and sale of $350 million in aggregate principal amount (the “Offering”) of Main Street’s 6.95% notes due 2029 (the “Notes”).”

Main Street Capital CORP reported third quarter of 2023 results: net income $0.98 to $1.00 per share, EPS $0.98 to $1.00 per share.

“Main Street's preliminary estimates of third quarter 2023 net investment income ("NII") is $0.98 to $1.00 per share and distributable net investment income ("DNII") is $1.03 to $1.05 per share.”

Main Street Capital CORP entered into EverBank Joinder Agreement with EverBank, N.A valued at $430 million (effective 2023-10-12).

“On October 12, 2023, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), entered into a lender joinder agreement (the “EverBank Joinder Agreement”) to the Revolving Credit and Security Agreement by and among MSCC Funding, as borrower, the lenders from time to time party thereto, the Company, as collateral manager, Truist Bank (“Truist”), acting as administrative agent and swingline lender, CitiBank, N.A., acting as collateral agent, document custodian and custodian and Virtus Group, L.P., as collateral administrator (the “SPV Credit Agreement”), to add EverBank, N.A as a lender and increase total commitments under the SPV Credit Agreement from $355 million to $430 million.”

Main Street Capital CORP amended revolving credit of Total commitments under the SPV Credit Agreement increased from $255 million to $355 million with Western Alliance Bank.

“On October 5, 2023, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), entered into a lender joinder agreement (the “Western Alliance Joinder Agreement”) to the Revolving Credit and Security Agreement by and among MSCC Funding, as borrower, the lenders from time to time party thereto, the Company, as collateral manager, Truist Bank (“Truist”), acting as administrative agent and swingline lender, CitiBank, N.A., acting as collateral agent, document custodian and custodian and Virtus Group, L.P., as collateral administrator (the “SPV Credit Agreement”), to add Western Alliance Bank as Syndication Agent and as a lender and increase total commitments under the SPV Credit Agreement from $255 million to $355 million.”

Main Street Capital CORP amended Western Alliance Joinder Agreement with Western Alliance Bank valued at $355 million (effective 2023-10-05).

“On October 5, 2023, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), entered into a lender joinder agreement (the “Western Alliance Joinder Agreement”) to the Revolving Credit and Security Agreement”

Main Street Capital CORP reported the second quarter ended June 30, 2023 results: revenue $127.6 million, net income $85.7 million, EPS $1.06 per share.

“• Net investment income of $85.7 million (or $1.06 per share) • Distributable net investment income (1) of $90.3 million (or $1.12 per share) • Total investment income of $127.6 million • An industry leading position in cost efficiency, with a ratio of total non-interest operating expenses as a percentage of quarterly average total assets (“Operating Expenses to”

Main Street Capital CORP reported the fiscal quarter ended June 30, 2023 results: EPS $1.05 to $1.07 per share.

“Main Street Announces Preliminary Estimate of Second Quarter 2023 Operating Results”

Main Street Capital CORP terminated Equity Distribution Agreement, dated March 3, 2022 with SMBC Nikko Securities America, Inc. (effective 2023-05-31).

“Also, effective May 31, 2023, Main Street and SMBC Nikko Securities America, Inc. (“SMBC”) agreed to terminate the equity distribution agreement, dated March 3, 2022, between Main Street and SMBC.”

Main Street Capital CORP entered into B. Riley Equity Distribution Agreement with B. Riley Securities, Inc. valued at up to 15,000,000 shares (effective 2023-06-01).

“On June 1, 2023, Main Street Capital Corporation (“Main Street”) entered into an equity distribution agreement (the “B. Riley Equity Distribution Agreement”) with B. Riley Securities, Inc. (“B. Riley”) on substantially the same terms as Main Street’s equity distribution agreements, each dated March 3, 2022 (together with the B. Riley Equity Distribution Agreement, the “Equity Distribution Agreements”), entered into with each of Truist Securities, Inc., RBC Capital Markets, LLC, Raymond James & Associates, Inc., and Comerica Securities, Inc. (collectively, together with B. Riley, the “Sales Agents”) for the purpose of adding B. Riley as an additional Sales Agent under Main Street’s existing “at the market” program equity offering.”

Main Street Capital CORP reported First Quarter 2023 results: revenue $120.3 million, net income $81.0 million, EPS $1.02 per share.

“• Net investment income of $81.0 million (or $1.02 per share) • Distributable net investment income (1) of $85.4 million (or $1.07 per share) • Total investment income of $120.3 million • An industry leading position in cost efficiency, with a ratio of total non-interest operating expenses as a percentage of quarterly average total assets (“Operating Expenses to”

Main Street Capital CORP shareholders approved Amendment to Articles of Amendment and Restatement to allow stockholders to amend bylaws by majority vote at the 2023-05-01 meeting.

“A proposal to approve an amendment to Main Street’s Articles of Amendment and Restatement to allow stockholders to amend Main Street’s bylaws by a majority vote of the outstanding shares entitled to be cast on the matter: Votes For Votes Against Abstentions Broker Non-Votes 24,043,679 718,668 419,227 28,807,233”

Main Street Capital CORP shareholders approved Advisory vote on frequency of future advisory votes on executive compensation at the 2023-05-01 meeting.

“A proposal to approve, on an advisory basis, the frequency of future advisory votes on executive compensation: One Year Two Years Three Years Abstain Broker Non-Votes 23,280,298 447,957 856,131 597,174 28,807,247”

Main Street Capital CORP shareholders approved Advisory vote to approve named executive officer compensation at the 2023-05-01 meeting.

“A proposal to approve, on an advisory basis, the compensation of Main Street’s named executive officers: Votes For Votes Against Abstentions Broker Non-Votes 21,869,567 2,604,116 707,870 28,807,254”

Main Street Capital CORP shareholders approved Ratify appointment of Grant Thornton LLP as independent registered public accounting firm at the 2023-05-01 meeting.

“A proposal to ratify the appointment of Grant Thornton LLP as Main Street’s independent registered public accounting firm for the year ending December 31, 2023: Votes For Votes Against Abstentions 53,077,086 556,107 355,614”

Main Street Capital CORP shareholders approved Election of directors at the 2023-05-01 meeting.

“A proposal to elect each of the members of Main Street’s Board of Directors for a term of one year: Votes For Votes Against Abstentions Broker Non-Votes J. Kevin Griffin 23,635,700 1,278,926 266,944 28,807,237 John E. Jackson 24,439,453 474,049 268,068 28,807,237 Brian E. Lane 23,048,624 1,867,597 265,352 28,807,234 Dunia A. Shive 24,010,776 899,066 271,730 28,807,235 Stephen B. Solcher 24,441,822 459,077 280,672 28,807,236 Vincent D. Foster 23,967,908 947,839 265,827 28,807,233 Dwayne L. Hyzak 24,473,229 440,158 268,183 28,807,237”

Main Street Capital CORP reported first quarter 2023 results: EPS $1.01 to $1.03 per share.

“Main Street’s preliminary estimates of first quarter 2023 net investment income (“NII”) is $1.01 to $1.03 per share and distributable net investment income (“DNII”), which is NII before non-cash compensation expenses, is $1.06 to $1.08 per share.”

Kay Matthews resigned as Director at Main Street Capital CORP.

“Effective March 20, 2023, Kay Matthews resigned as a member of the Board of Directors (the “Board”) of Main Street Capital Corporation (“Main Street”) and its committees.”

Main Street Capital CORP amended revolving credit of increase of total commitments from $920.0 million to $980.0 million with Truist Bank (as administrative agent).

“to add Regions Bank as a lender and increase the total commitments under the Credit Agreement from $920.0 million to $980.0 million.”

Main Street Capital CORP amended Supplement with Regions Bank valued at from $920.0 million to $980.0 million (effective 2023-01-13).

“On January 13, 2023, Main Street Capital Corporation (“Main Street”) entered into a joinder agreement and supplement (the “Supplement”) to the Third Amended and Restated Credit Agreement, dated June 5, 2018, (as amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), Main Street, as borrower, Main Street Capital Partners, LLC, Main Street Equity Interests, Inc., Main Street CA Lending, LLC and MS International Holdings, Inc., as guarantors, Truist Bank (“Truist”), Sumitomo Mitsui Banking Corporation, Frost Bank, Cadence Bank, Royal Bank of Canada, Texas Capital Bank, Zions Bancorporation, N.A. dba Amegy Bank, Hancock Whitney Bank, Veritex Community Bank, First Citizens Bank & Trust Company, Comerica Bank, City National Bank, Raymond James Bank and Woodforest National Bank, collectively as lenders, and Truist, as administrative agent, to add Regions Bank as a lender and increase the total commitments under the Credit Agreement from $920.0 millio”

Main Street Capital CORP reported fourth quarter 2022 results: EPS $0.97 to $0.99 per share.

“Main Street’s preliminary estimate of fourth quarter 2022 net investment income ("NII") is $0.97 to $0.99 per share.”

Main Street Capital CORP incurred senior notes of $100,000,000 at 7.84% maturing December 23, 2025.

“On December 23, 2022, Main Street Capital Corporation (the “Company” or “Main Street”) and a qualified institutional investor entered into a Note Purchase Agreement (the “Note Purchase Agreement”), which governs the issuance of $100,000,000 in aggregate principal amount of 7.84% Series A Senior Notes due 2025 (the “Series A Notes”).”

Main Street Capital CORP amended fourth amendment (the “Amendment”) to the Third Amended and Restated Credit Agreement with Truist Bank (as administrative agent) and the lenders party thereto (effective 2022-12-22).

“On December 22, 2022, the Company entered into a fourth amendment (the “Amendment”) to the Third Amended and Restated Credit Agreement dated as of June 5, 2018, as amended (the “Credit Agreement”), among Main Street, as borrower, and, solely with respect to Section 8 of the Amendment, Main Street Capital Partners, LLC, Main Street Equity Interests, Inc., Main Street CA Lending, LLC and MS International Holdings, Inc., as guarantors, Truist Bank (“Truist”), Sumitomo Mitsui Banking Corporation, Frost Bank, Cadence Bank, Royal Bank of Canada, Texas Capital Bank, Zions Bancorporation, N.A. dba Amegy Bank, Hancock Whitney Bank, Veritex Community Bank, First Citizens Bank & Trust Company, Comerica Bank, City National Bank, Raymond James Bank and Woodforest National Bank, collectively as lenders, and Truist, as administrative agent.”

Main Street Capital CORP entered into Note Purchase Agreement with a qualified institutional investor valued at $100,000,000 in aggregate principal amount (effective 2022-12-23).

“On December 23, 2022, Main Street Capital Corporation (the “Company” or “Main Street”) and a qualified institutional investor entered into a Note Purchase Agreement (the “Note Purchase Agreement”), which governs the issuance of $100,000,000 in aggregate principal amount of 7.84% Series A Senior Notes due 2025 (the “Series A Notes”).”

Lance A. Parker departed as Vice President and Chief Accounting Officer at Main Street Capital CORP.

“On December 14, 2022, Main Street Capital Corporation (“Main Street”) and Lance A. Parker, Main Street’s Vice President and Chief Accounting Officer, mutually agreed that Mr. Parker’s employment with Main Street, and his roles with Main Street’s subsidiaries and affiliated funds, will cease on or before March 31, 2023 (the “Separation Date”).”

Main Street Capital CORP amended credit facility of $255 million with Apple Bank for Savings.

“to add Apple Bank for Savings as a lender and increase total commitments under the SPV Credit Agreement from $240 million to $255 million”

Main Street Capital CORP amended Joinder Agreement with Apple Bank for Savings valued at from $240 million to $255 million (effective 2022-12-06).

“On December 6, 2022, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), entered into a lender joinder agreement (the “Joinder Agreement”) to the Revolving Credit and Security Agreement by and among MSCC Funding, as borrower, the lenders from time to time party thereto, the Company, as collateral manager, Truist Bank (“Truist”), acting as administrative agent and swingline lender, CitiBank, N.A., acting as collateral agent, document custodian and custodian and Virtus Group, L.P., as collateral administrator (the “SPV Credit Agreement”), to add Apple Bank for Savings as a lender and increase total commitments under the SPV Credit Agreement from $240 million to $255 million.”

Main Street Capital CORP incurred revolving credit of up to $240 million with Truist Bank at Term SOFR plus a 0.10% credit spread adjustment (the “Base Rate”) plus 2.50% maturing November 21, 2027.

“Virtus Group, L.P., as collateral administrator. Under the Credit Facility, the lenders agreed to extend credit to MSCC Funding in an initial aggregate principal amount up to $240 million and the Credit Facility contains an accordion feature whereby the Credit Facility can be expanded to $450 million, subject to certain conditions including the administrative”

Main Street Capital CORP entered into Credit Facility with Truist Bank, CitiBank, N.A., and the other lenders party thereto valued at up to $240 million (effective 2022-11-22).

“On November 22, 2022, Main Street Capital Corporation (the “Company”), through its wholly owned subsidiary MSCC Funding I, LLC (“MSCC Funding”), established a senior secured revolving credit facility (the “Credit Facility”), pursuant to a Revolving Credit and Security Agreement by and among MSCC Funding, as borrower, the lenders from time to time party thereto, the Company, as collateral manager, Truist Bank (“Truist”), acting as administrative agent and swingline lender, CitiBank, N.A., acting as collateral agent, document custodian and custodian and Virtus Group, L.P., as collateral administrator. Under the Credit Facility, the lenders agreed to extend credit to MSCC Funding in an initial aggregate principal amount up to $240 million”