NEW YORK (10/6/11)--A blog by NBC Today financial editor and author Jean Chatzky clarifies a point about credit unions and ATM convenience she made on a bank fee segment aired Tuesday morning when she noted that credit unions provide an alternative to a large national bank for financial services. In the segment aired, Chatzky said credit unions offer lower fees but lacked an extensive ATM network so consumers might end up paying surcharges. However, readers pointed out to her that credit unions do indeed have an extensive ATM network: the CO-OP Network, she said in her blog later. "There exists something called the CO-OP Network, which includes over 3,000 participating credit unions," Chatzky wrote. "Through this network, there are 28,000 ATMs that offer surcharge-free access to accounts for all participating credit union members." She also noted that credit unions often have shared branching arrangements. At CO-OP Network "members of participating credit unions can go to any of the 4,400 participating branches across the U.S. and use that branch as if it was their own." The blog also included CO-OP's ATM locator link and a link to shared branches. Chatzky is author of "Not Your Parents' Money Book: Making, Saving, and Spending Your Own Money" and has been a guest on the Credit Union National Association's weekly Home and Family Finance Radio show.