Exhibit 99.1

TMM COMPANY CONTACT:	AT DRESNER CORPORATE SERVICES:
Verónica Tego Sánchez, CFO	David Gutierrez (investors, analysts, media)
011-52-55-5629-8866	312-780-7204
[email protected]	dgutierrez@dresnerco.com

GRUPO TMM REPORTS THIRD QUARTER 2025 FINANCIAL RESULTS

(In Millions of Mexican Pesos)

Third Quarter 2025 Results Include:

Shareholders’ Equity of $ 2,368.6 million

Consolidated revenues increased 12.6% compared to the same period last year

Net income of $97.8 million

Mexico City, October 28, 2025 – Grupo TMM, S.A.B. (OTC: GTMAY and BMV: TMM A; “TMM” or the “Company”), a Mexican maritime transportation, infrastructure, and logistics Company, today reported its financial results for the third quarter of 2025.

During the quarter, Grupo TMM reported positive results, with revenues up 19.6% and business profit increasing 42.8% compared with the previous quarter. Operating income rose 47.8%, and EBITDA increased 34.5%, reflecting solid execution and continued improvement in operational efficiency.

Operationally, the Maritime Transportation Division maintained a fleet utilization rate above 97% for its Mud vessels, specialized ships serving Mexico’s offshore energy industry, driven by an improved rate mix and more efficient resource management.

The Maritime Infrastructure Division reported utilization above 90% in the new floating dock, consolidating it as a key asset within the Company’s business expansion and revenue diversification strategy.

Meanwhile, the Land Logistics Division maintained a positive trend in service volumes and profitability, strengthening its contribution to the consolidated quarterly results and TMM’s presence in the intermodal and automotive sectors.

“These results reflect the solid performance of our most important assets, which continue to generate value quarter after quarter. They are the result of a clear strategy and a committed, coordinated team that drives TMM’s competitiveness across all business lines, further strengthening the Company’s position as a leader in Mexico’s maritime and logistics sector,” said Vanessa Serrano, Chief Executive Officer of TMM.

With a vision focused on digital transformation, environmental sustainability, and business diversification, Grupo TMM continues to strengthen its business model, ensuring sustained profitability and competitive leadership within Mexico’s maritime and logistics ecosystem.

Grupo TMM Reports Third Quarter 2025 Financial Results

Page 2

Consolidated Financial Results – Third Quarter 2025

Revenues: Ps. 568.4 million (+12.6% vs. 3Q 2024)

Operating Income: Ps. 108.1 million (+60.6% vs. 3Q 2024)

EBITDA: Ps. 138.1 million (+51.6% vs. 3Q 2024)

Cumulative results as of September 30, 2025, remain positive compared with the same period of 2024, as reflected in the consolidated financial statements accompanying this release.

Headquartered in Mexico City, Grupo TMM is a Mexican company that provides comprehensive solutions in maritime transportation, maritime infrastructure, warehousing, and ports & terminals logistics operations, through its branch offices and network of subsidiary companies. For more information on Grupo TMM, please visit the company’s web site at www.tmm.com.mx. The site offers Spanish/English language options.

Included in this press release are certain forward-looking statements within the meaning of Section27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such forward-looking statements speak only as of the date they are made and are based on the beliefs of the Company's management as well as on assumptions made. Actual results could differ materially from those included in such forward-looking statements. Readers are cautioned that all forward-looking statements involve risks and uncertainty. The following factors could cause actual results to differ materially from such forward-looking statements: global, US and Mexican economic and social conditions; the effect of the North American Free Trade Agreement on the level of US-Mexico trade; the condition of the world shipping market; the success of the Company's investment in new businesses; risks associated with the Company's reorganization and restructuring; the ability of the Company to reduce corporate overhead costs; the ability of management to manage growth and successfully compete in new businesses; and the ability of the Company to restructure or refinance its indebtedness. These risk factors and additional information are included in the Company's reports on Form 6-K and 20-F on file with the United States Securities and Exchange Commission.

Financial tables follow

Grupo TMM Reports Third Quarter 2025 Financial Results

Page 3

Grupo TMM, S.A.B. and Subsidiaries

Balance Sheet*

- Millions of Pesos -

	September 30,			December 31,
	2025			2024



Cash and cash in banks available		279.1			207.1
Total cash and cash equivalents		279.1			207.1
Accounts receivable – Net		1,045.9			711.5
Other accounts receivable		279.6			235.2
Taxes to be recovered		156.0			195.2
Prepaid expenses and others current assets		39.3			37.2
Total current assets		1,800.1			1,386.2
Taxes to be recovered long term		46.2			63.0
Property, machinery and, equipment		3,022.1			2,377.6
Cumulative Depreciation		(174.3	)		(108.8	)
Property, machinery and, equipment – Net		2,847.8			2,268.8
Rights of use		60.8			67.2
Other assets		189.9			206.7
Total assets		4,944.8			3,991.9
Bank loans and current maturities of long-term liabilities		321.5			260.6
Leases short-term		28.1			22.4
Suppliers		315.5			370.4
Other accounts payable and accrued expenses		727.3			588.4
Total current liabilities		1,392.4			1,241.8
Bank loans		923.0			374.7
Leases long-term		54.8			60.2
Deferred taxes		130.5			132.1
Other long-term liabilities		75.4			74.8
Total long-term liabilities		1,183.7			641.7
Total liabilities		2,576.2			1,883.5
Total stockholders´ equity		2,368.6			2,108.4
Total liabilities and stockholders´ equity		4,944.8			3,991.9

*Prepared in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board.

Grupo TMM Reports Third Quarter 2025 Financial Results

Page 4

Grupo TMM, S.A.B. and Subsidiaries

*Statement of Income

- Millions of Pesos -

	Three months ended						Nine months ended
	September 30,						September 30,
	2025			2024			2025			2024

Maritime		382.3			407.6			1,134.1			853.4
Inland Logistics		22.0			16.0			63.2			57.0
Warehousing Services		26.1			39.2			56.8			131.3
Maritime Infrastructure		138.1			41.9			276.7			208.6
Revenue from freight and services		568.4			504.7			1,530.8			1,250.3
Maritime		(268.2	)		(337.4	)		(797.9	)		(735.6	)
Inland Logistics		(21.7	)		(18.5	)		(59.2	)		(55.0	)
Warehousing Services		(34.6	)		(23.5	)		(108.2	)		(78.6	)
Maritime Infrastructure		(90.2	)		(32.2	)		(180.9	)		(149.8	)
Cost of freight and services		(414.7	)		(411.5	)		(1,146.2	)		(1,018.9	)
Maritime		(19.2	)		(0.6	)		(52.2	)		(16.4	)
Inland Logistics		1.8			(3.9	)		(6.1	)		(9.0	)
Warehousing Services		(2.0	)		(17.9	)		(6.1	)		(53.9	)
Maritime Infrastructure		(4.4	)		(0.9	)		(11.6	)		(3.7	)
Depreciation and amortization		(23.8	)		(23.3	)		(76.0	)		(83.0	)
Maritime		94.9			69.6			284.0			101.5
Inland Logistics		2.1			(6.4	)		(2.2	)		(7.0	)
Warehousing Services		(10.5	)		(2.2	)		(57.5	)		(1.1	)
Maritime Infrastructure		43.5			8.8			84.2			55.1
Results by business		130.0			69.8			308.6			148.4
Corporate expenses		(15.3	)		(14.9	)		(44.9	)		(46.0	)
Corporate depreciation and amortization		(6.3	)		(0.5	)		(7.4	)		(1.6	)
Non-recurring (expenses) income		(0.4	)		12.9			(9.9	)		49.2
Operating (loss) gain		108.1			67.3			246.4			150.0
Financial (expenses) income - Net		(29.1	)		(6.7	)		(86.1	)		(19.8	)
Leases financial expenses		(2.3	)		(4.0	)		(7.5	)		(14.0	)
Exchange gain (loss) - Net		21.2			(8.2	)		107.3			(40.9	)
Net financial cost		(10.2	)		(18.9	)		13.7			(74.6	)
(loss) gain before taxes		97.8			48.3			260.1			75.4
Provision for taxes		-			-			-			-

Net (loss) gain for the period		97.8			48.3			260.1			75.4

Attributable to:
Minority interest		(0.0	)		0.1			(0.2	)		0.2
Equity holders of GTMM, S.A.B.		97.9			48.2			260.3			75.1

Weighted average outstanding shares (millions)		174.55			174.55			174.55			174.55
Income (loss) earnings per share (pesos/share)		0.56			0.28			1.49			0.43

Outstanding shares at end of period (millions)		174.55			174.55			174.55			174.55
Income (loss) earnings per share (pesos/share)		0.56			0.28			1.49			0.43

*Prepared in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board.

Grupo TMM Reports Third Quarter 2025 Financial Results

Page 5

Grupo TMM, S.A.B. and subsidiaries

*Statement of Cash Flow

- Millions of Pesos -

	Three months ended						Nine months ended
	September 30,						September 30,
	2025			2024			2025			2024

Net gain (loss) for the period		97.8			48.3			260.1			75.4
Depreciation & amortization		31.8			23.8			85.1			84.7
Deferred taxes		-			(1.0	)		(1.5	)		(5.6	)
Other non-cash items		3.6			(5.6	)		(17.4	)		34.7
Total non-cash items		35.4			17.2			66.1			113.9
Changes in assets & liabilities		(57.1	)		5.7			(249.8	)		(4.7	)
Total adjustments		(21.8	)		22.9			(183.6	)		109.2
Net cash provided by (used in) operating activities		76.1			71.3			76.5			184.6

Proceeds from sale of assets/interest received		1.6			1.8			3.3			2.5
Payments for purchase of assets		(6.1	)		(23.5	)		(655.0	)		(108.3	)
Net cash provided by (used in) investment activities		(4.5	)		(21.7	)		(651.8	)		(105.8	)

Short-term borrowings (net)		12.4			4.3			(91.2	)		1.1
Repayment of leases		(2.8	)		(29.3	)		(8.4	)		(61.8	)
Proceeds from (repayment of) long-term debt		(30.6	)		11.3			770.9			41.0
Net cash provided by (used in) financing activities		(21.0	)		(13.7	)		671.3			(19.7	)
Exchange effect on cash		(3.90	)		2.3			(24.0	)		4.6
Net increase (decrease) in cash		46.7			38.1			72.0			63.6
Cash at beginning of period		232.5			125.5			207.1			100.0
Cash at end of period		279.1			163.6			279.1			163.6

Prepared in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board.

GRUPO TMM SAB 6-K