Exhibit 99.01

FOR RELEASE:  Immediate

CONTACTS:         Karen Chrosniak, Director of Investor Relations
                  Dean Marshall, Director of Finance or
                  Jim Brown, Vice President, Finance

                  (877) 496-6704

                     Adelphia Announces Sale of Senior Notes

COUDERSPORT,  Pa.,  September  15, 2000 -- Adelphia  Communications  Corporation
("Adelphia")  (NASDAQ:  ADLAC)  announced  today  that it has sold $750  million
aggregate  principal  amount of new 10-7/8%  Senior  Notes due 2010.  The Senior
Notes due 2010 will be noncallable,  and will have other non-interest terms that
will be similar to those of  Adelphia's  existing  publicly  held  senior  debt.
Adelphia  plans  to use the net  proceeds  to  repay  existing  indebtedness  of
subsidiaries.  The transaction,  which was increased from a previously-announced
size of $500 million, is expected to close on September 20, 2000.

Adelphia  Communications  Corporation  is the  sixth  largest  cable  television
operator in the United States, with headquarters in Coudersport, Pennsylvania.

Prospectuses  may be obtained  from Salomon  Smith Barney Inc. at 388  Greenwich
Street,  New York, New York 10013,  or Banc of America  Securities LLC at 9 West
57th Street,  New York, NY 10019.  This press  release  shall not  constitute an
offer to sell or the solicitation of an offer to buy nor shall there be any sale
of any  securities  referred  to  herein  in any  state  in  which  such  offer,
solicitation or sale would be unlawful.