JOINT FILING AGREEMENT

EXHIBIT 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of the Schedule 13G (and any further amendment filed by them) with respect to the common stock, par value $0.01 per share, of Viasystems Group, Inc., a Delaware corporation.

Date:     January 10, 2013

	XXXXX, MUSE FUND III INCORPORATED
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	XXXXX MUSE GP PARTNERS III, L.P.
	By:	Xxxxx, Muse Fund III Incorporated, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM3/GP PARTNERS, L.P.
	By:	Xxxxx, Muse GP Partners III, L.P., its general partner
	By:	Xxxxx, Muse Fund III Incorporated, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HICKS, MUSE, XXXX & XXXXX EQUITY FUND III,  L.P.
	By:	HM3/GP Partners, L.P., its general partner
	By:	Xxxxx, Muse GP Partners III, L.P., its general partner
	By:	Xxxxx, Muse Fund III Incorporated, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM3 COINVESTORS, L.P.
	By:	Xxxxx, Muse GP Partners III, L.P., its general partner
	By:	Xxxxx, Muse Fund III Incorporated, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President

	XXXXX, MUSE (1999) FUND IV, LLC
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	XXXXX, XXXX XX (1999) PARTNERS IV, L.P.
	By:	Xxxxx, Muse (1999) Fund IV, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM4/GP (1999) PARTNERS, L.P.
	By:	Xxxxx, Xxxx XX (1999) Partners IV, L.P., its general partner
	By:	Xxxxx, Muse (1999) Fund IV, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HMTF EQUITY FUND IV (1999), L.P.
	By:	HM4/GP (1999) Partners, L.P., its general partner
	By:	Xxxxx, Xxxx XX (1999) Partners IV, L.P., its general partner
	By:	Xxxxx, Muse (1999) Fund IV, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HMTF PRIVATE EQUITY FUND IV (1999), L.P.
	By:	HM4/GP (1999) Partners, L.P., its general partner
	By:	Xxxxx, Xxxx XX (1999) Partners IV, L.P., its general partner
	By:	Xxxxx, Muse (1999) Fund IV, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM 4-P (1999) COINVESTORS, L.P.
	By:	Xxxxx, Xxxx XX (1999) Partners IV, L.P., its general partner
	By:	Xxxxx, Muse (1999) Fund IV, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President

2

	HM 4-EQ (1999) COINVESTORS, L.P.
	By:	Xxxxx, Xxxx XX (1999) Partners IV, L.P., its general partner
	By:	Xxxxx, Muse (1999) Fund IV, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM FUND IV CAYMAN, LLC
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM GP PARTNERS IV CAYMAN, L.P.
	By:	HM Fund IV Cayman, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	HM EQUITY FUND IV/GP PARTNERS (1999), C.V.
	By:	HM GP Partners IV Cayman, L.P., its general partner
	By:	HM Fund IV Cayman, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	XXXXX, MUSE PG - IV (1999), C.V.
	By:	HM Equity Fund IV/GP Partners (1999), C.V., its general partner
	By:	HM GP Partners IV Cayman, L.P., its general partner
	By:	HM Fund IV Cayman, LLC, its general partner
	By:	/s/  Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Vice President
	XXXXXX XXXXXXX
	/s/  Xxxxxx Xxxxxxx

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XXXX X. XXXX

/s/  Xxxx X. Xxxx

XXXXXX X. XXXXX

/s/  Xxxxxx X. Xxxxx

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