Exhibit 4.15.1 AGREEMENT ON AMENDMENTS to the Agency Agreement between Open Joint Stock Company "Alfa-Bank" and Open Joint Stock Company of Long Distance and International Telecommunications Rostelecom dated June 5, 2003 THIS AGREEMENT ON AMENDMENTS...Agreement on Amendments • June 30th, 2004 • Open Joint Stock Co Long Distance & Internat Comm Rostelecom • Telephone communications (no radiotelephone)
