Company: ZEUS
Filing Date: 2025-10-28
Form Type: 425
Source: 0001437749-25-032004
Chunk: 2

Company: OLYMPIC STEEL INC
Filing Date: 2025-10-28
Form: 425
Chunk 2
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 otherwise required by law. You are advised, however, to consult any further disclosures we make on related subjects in our reports on Forms 10-Q, 8-K and 10-K filed with the Securities and Exchange Commission.

ADDITIONAL INFORMATION AND WHERE TO FIND IT

This communication is being made in respect of a proposed business combination involving Olympic Steel and Ryerson. In connection with the proposed transaction, Ryerson will file with the SEC a Registration Statement on Form S-4 that includes a preliminary proxy statement of Olympic Steel and that will also constitute a prospectus of Ryerson. The information in the preliminary proxy statement/prospectus is not complete and may be changed. Ryerson may not sell the common stock referenced in the preliminary proxy statement/prospectus until the Registration Statement on Form S-4 filed with the SEC becomes effective. The preliminary proxy statement/prospectus and this communication are not offers to sell Ryerson securities, are not soliciting an offer to buy Ryerson securities in any state where the offer and sale is not permitted and are not a solicitation of any vote or approval. The definitive proxy statement/prospectus will be mailed to shareholders of Olympic Steel.

RYERSON AND OLYMPIC STEEL URGE INVESTORS AND SECURITY HOLDERS TO READ THE DEFINITIVE PROXY STATEMENT/PROSPECTUS AND OTHER DOCUMENTS FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION.

Investors and security holders will be able to obtain these materials (when they are available) and other documents filed with the SEC free of charge at the SEC’s website, www.sec.gov. Copies of documents filed with the SEC by Ryerson (when they become available) may be obtained free of charge on Ryerson’s website at www.ryerson.com or by directing a written request to Investor Relations, Ryerson Holding Corporation, 227 W. Monroe St., 27th Floor, Chicago, Illinois 60606. Copies of documents filed with the SEC by Olympic Steel (when they become available) may be obtained free of charge on Olympic Steel’s website at www.olysteel.com or by directing a written request to Olympic Steel, Inc., 22901 Millcreek Blvd., Suite 650, Highland Hills, Ohio 44122.

PARTICIPANTS IN SOLICITATION

Each of Olympic Steel, Ryerson and their respective directors, executive officers and certain other members of management and employees may be