EXHIBIT 99.1 JOINT FILER INFORMATION Other Reporting Person(s) 1. SH CAPITAL PARTNERS, L.P. Item Information Name: SH CAPITAL PARTNERS, L.P. Address: 950 Third Avenue, 17th Floor, New York, NY 10022 Designated Filer: Stone House Capital Management, LLC Date of Event Requiring Statement September 1, 2015 (Month/Day/Year): Issuer Name and Ticker or Trading A.M. CASTLE & CO. [CAS] Symbol: Relationship of Reporting Person(s) 10% Owner to Issuer: If Amendment, Date Original Filed Not Applicable (Month/Day/Year): Individual or Joint/Group Filing: Form filed by More than One Reporting Person Signature: By: Stone House Capital Management, LLC Its: General Partner By: /s/ Mark Cohen ----------------------------------- Name: Mark Cohen Title: Managing Member Date: September 3, 2015 2. MARK COHEN Item Information Name: MARK COHEN Address: 950 Third Avenue, 17th Floor, New York, NY 10022 Designated Filer: Stone House Capital Management, LLC Date of Event Requiring Statement September 1, 2015 (Month/Day/Year): Issuer Name and Ticker or Trading A.M. CASTLE & CO. [CAS] Symbol: Relationship of Reporting Person(s) 10% Owner to Issuer: If Amendment, Date Original Filed Not Applicable (Month/Day/Year): Individual or Joint/Group Filing: Form filed by More than One Reporting Person Signature: /s/ Mark Cohen ------------------------------------------ Date: September 3, 2015

EXHIBIT 99.2 JOINT FILING AGREEMENT September 3, 2015 Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement and/or exhibit thereto) with the Securities and Exchange Commission (and, if such security is registered on a national securities exchange, also with the exchange) and further agrees to the filing, furnishing and/or incorporation by reference of this agreement as an exhibit thereto. This agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date first written above. Date: September 3, 2015 STONE HOUSE CAPITAL MANAGEMENT, LLC By: /s/ Mark Cohen ----------------------------------- Name: Mark Cohen Title: Managing Member SH CAPITAL PARTNERS, L.P. By: Stone House Capital Management, LLC Its: General Partner By: /s/ Mark Cohen ----------------------------------- Name: Mark Cohen Title: Managing Member MARK COHEN /s/ Mark Cohen ------------------------------------------