Marci Ann Zahl and Aaron Michael Sis announce their engagement and upcoming wedding. Parents of the couple are Bill and Linda Zahl of Stratton and Michael and Diane Sis of Atwood. Grandparents of the couple are Sarah Myers of Cairo, the late Franklin Myers, Eulah Adkinson of Stratton, the late Willard Zahl, the late Harold Adkinson, John and Virginia Burk of McDonald and the late Charles and Eleanora Sis. The bride-to-be is a 1999 graduate of Stratton High School and a 2003 graduate of Nebraska Wesleyan University. She is employed as a banking officer at First Bank in Aurora, Colo. The prospective bridegroom is a 2000 graduate of Atwood High School. He plans to graduate in May 2005 from the University of Nebraska at Lincoln with a degree in mechanical engineering. The couple is planning a June 11, 2005, ceremony at St. John's Catholic Church in rural Atwood.