The proposed acquisition of MUFG Union Bank by U.S. Bank will bring the buyer 1 million new consumer customers and 160,000 small business customers based on the West Coast. At midyear 2021, Union Bank’s credit card portfolio held $485.8 million in outstandings. It ranked 43 largest among Visa and Mastercard credit card issuers. The bank’s 314,139 credit cards in circulation generated $1.15 billion in purchase volume during the first six months of this year. The Union Bank card portfolio included Visa and Mastercard commercial credit cards. It ranked 29th largest among all issuers. ...