QEP Midstream Partners, LP, a QEP Resources-backed limited partnership that owns midstream assets in Wyoming, Colorado, Utah and North Dakota, increased the proposed maximum deal size for its upcoming IPO on Friday. The Denver, CO-based company now plans to raise up to $483 million. QEP Midstream had initially filed to raise up to $400 million. The company also added 12 underwriters to the deal, including Morgan Stanley, Citi, Deutsche Bank and J.P. Morgan as joint bookrunners. Wells Fargo Securities remained the lead bookrunner. QEP Midstream Partners, LP, which was founded in 2013 and booked $160 million in sales for the 12 months ended March 31, 2013, plans to list on the NYSE under the symbol QEPM.