HLP

Proposed Partnership Supports the Company's ongoing Strategic Shift Toward Clean Energy and Energy Storage Solutions WEIFANG, China, June 15, 2026 /PRNewswire/ -- Hongli Group Inc. (Nasdaq: HLP) (the "Company" or "Hongli Group"), a cold roll formed steel profile manufacturer, today announced that it has entered into a non-binding Memorandum of Understanding ("MOU") with Sidus Energy Storage, Inc. ("Sidus"), a California-based battery technology company, to explore a potential strategic manufacturing collaboration relating to advanced battery and energy storage products targeting the high-growth North American and European energy storage markets. This proposed collaboration represents a further step in Hongli Group's clean energy evaluation.

WEIFANG, China, June 3, 2026 /PRNewswire/ -- Hongli Group Inc. (Nasdaq: HLP) (the "Company" or "Hongli Group"), a cold roll formed steel profile manufacturer, today announced a strategic update following its previously announced establishment of its New Energy Solid-State Battery Division and the engagement of Dr. Philip A. Medina as an independent technical advisor.

WEIFANG, China, May 28, 2026 /PRNewswire/ -- Hongli Group Inc. (Nasdaq: HLP) (the "Company" or "Hongli Group"), a cold roll formed steel profile manufacturer, today announced that it has engaged Dr. Phillip A. Medina IV as an independent technical advisor to provide consulting and advisory support in connection with the Company's evaluation of opportunities in the new energy technology, advanced material and energy storage sectors.

Initiative supports the Company's broader strategy of leveraging its manufacturing expertise to evaluate opportunities in next-generation battery technologies WEIFANG, China, May 19, 2026 /PRNewswire/ -- Hongli Group Inc. (Nasdaq: HLP) (the "Company" or "Hongli Group"), a cold roll formed steel profile manufacturer, today announced that it plans to establish a New Energy Solid-State Battery Division as part of its broader strategy to explore opportunities in the clean energy, advanced materials and energy storage sectors. The planned division follows the Company's previously announced initiatives to explore opportunities in clean energy, energy storage applications, and solid-state lithium battery-related technologies.

WEIFANG, China, May 13, 2026 /PRNewswire/ -- Hongli Group Inc. (Nasdaq: HLP) (the "Company" or "Hongli Group"), a cold roll formed steel profile manufacturer, today announced its financial results for the fiscal year ended December 31, 2025, and the filing of its Annual Report on Form 20-F with the U.S. Securities and Exchange Commission (the "SEC") on May 13, 2026. Fiscal Year ended December 31, 2025, Full Year Highlights: Revenues for the fiscal year ended December 31, 2025, increased by 39.0% to $19.6 million compared to the prior year, driven by growth in both domestic and global markets; International sales grew by 58.2%.