Source: Soundgarden and NIN official Facebook pages have posted this information.

“Soundgarden and Nine Inch Nails have announced they will be touring together this summer. Pre-sale begins tuesday at 10 AM local time with the password: NINSG

7/19* - Las Vegas, NV @ Planet Hollywood
7/21* - Denver, CO @ Red Rocks Amphitheatre
7/24 - Tinley Park, IL @ First Midwest Bank Amphitheatre
7/26* - Clarkston, MI @ DTE Energy Music Theatre
7/27 - Toronto, ON @ Molson Canadian Amphitheatre
7/29* - Mansfield, MA @ XFinity Center
7/30* - Camden, NJ @ Bank Center
8/1* - Wantagh, NY @ Nikon at Jones Beach Theatre
8/2* - Holmdel, NJ @ PNC Bank Arts Center
8/4* - Bristow, VA @ Jiffy Lube Live
8/5* - Virginia Beach, VA @ Farm Bureau Live at Lakewood
8/7* - Charlotte, NC @ PNC Music Pavilion
8/8* - Atlanta, GA @ Aaron’s Amphitheatre at Lakewood
8/10* - West Palm Beach, FL @ Cruzan Amphitheatre
8/11* - Tampa, FL @ MidFlorida Credit Union
8/14* - Austin, TX @ Austin360 Amphitheatre
8/16* - Woodlands, TX @ Cynthia Woods Mitchell Pavilion
8/17* - Dallas, TX @ Gexa Energy Pavilion
8/19* - Albuquerque, NM @ Isleta Amphitheatre
8/21* - Chula Vista, CA - Sleep Train Amphitheatre
8/22* - Irvine, CA - Verizon Wireless Amphitheatre
8/24* - Mountain View, CA @ Shoreline Amphitheatre
8/25* - Los Angeles, CA @ Hollywood Bowl”