Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 1100 Kubota Dr. Grapevine, TX 76051 (Address of principal executive offices) (Zip Code) EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-41090 Southland Holdings ...

Exhibit 99.1 Southland Announces Second Quarter 2025 Results GRAPEVINE, Texas, August 12, 2025 -- Southland Holdings, Inc. (NYSE American: SLND and SLND WS) ("Southland"), a leading provider of specialized infrastructure construction services, today announced financial results for the quarter ended June 30, 2025. "We continue to be encouraged by the sustained margin improvement in our core business resulting from our disciplined approach to bidding and operations," said Frank Renda, Southland's President & ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-41090 Southland Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdict ...

Exhibit 99.1 2025 First Quarter Results Condensed Consolidated Statements of Operations | | | | Three Months Ended | | | --- | --- | --- | --- | --- | | | March 31, | | | March 31, | | (Amounts in thousands) | 2025 | | | 2024 | | Revenue | $ | 239,486 | $ | 288,097 | | Cost of construction | | 218,006 | | 267,676 | | Gross profit | | 21,480 | | 20,421 | | Selling, general, and administrative expenses | | 16,465 | | 14,394 | | Operating income | | 5,015 | | 6,027 | | Gain (loss) on investments, net | | 17 | ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-41090 Southland Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of (I.R. ...

Exhibit 99.1 Southland Announces Fourth Quarter & Full Year 2024 Results GRAPEVINE, Texas, March 4, 2025 – Southland Holdings, Inc. (NYSE American: SLND and SLND WS) ("Southland"), a leading provider of specialized infrastructure construction services, today announced financial results for the quarter and full year ended December 31, 2024. Fourth Quarter 2024 Results Include: Full Year 2024 Results Include: "Despite the challenges we faced in 2024, I am proud of how our teams performed operationally under d ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-41090 Southland Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other juris ...

Exhibit 99.1 ● Revenue of $173.3 for the quarter ended September 30, 2024, compared to $312.5 million for the quarter ended September 30, 2023. ● Gross loss of $51.1 million for the quarter ended September 30, 2024, compared to $29.5 million in gross profit for the quarter ended September 30, 2023. ● Net loss attributable to stockholders of $54.7 million, or $(1.14) per share for the quarter ended September 30, 2024, compared to a net income attributable to stockholders of $3.8 million, or $0.08 per share f ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-41090 Southland Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdicti ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-41090 Southland Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of (I.R. ...