Shortly after posting my original review the ATMs allowed me to withdraw in multiples of $50 again. Not sure if it was in response to my review but whatever the case I'm happy.
From Citi ATM
Citi is a financial services company, which offers a range of financial products and services, including Citi’s digital banking services, mortgage products, personal loans, and small business banking products and services, Citi Cards’ credit card offers, and Citi Personal Wealth Management’s investment products and services. Deposit and Lending products are offered by Citibank, N.A. NMLS ID 412915 Equal Housing Lender and Member FDIC.