RMG Networks Holding (RMGN) SC 13D SCG Financial Acquisition / PAR INVESTMENT PARTNERS ownership change

Exhibit 1

CUSIP No. 78404K103 13D Page 10 of 10 Pages

Joint Filing Agreement

In accordance with Rule 13d-1(f) under the Securities and Exchange Act of 1934, the persons or entities named below agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Shares of the Issuer and further agree that this joint filing agreement be included as an exhibit to this Schedule 13D. In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement as of May 7, 2013.

PAR INVESTMENT PARTNERS
By:	PAR Group, L.P., its General Partner
By:	PAR Capital Management, Inc., its General Partner
By:	/s/ Steven M. Smith
	Name:   Steven M. Smith
	Title:     Chief Operating Officer and General Counsel
PAR GROUP, L.P.
By:	PAR Capital Management, Inc., its General Partner
By:	/s/ Steven M. Smith
	Name:   Steven M. Smith
	Title:     Chief Operating Officer and General Counsel
PAR CAPITAL MANAGEMENT, INC.
By:	/s/ Steven M. Smith
	Name:   Steven M. Smith
	Title:     Chief Operating Officer and General Counsel