Exhibit 99



                          ADVANCED GLASSFIBER YARNS LLC
                           APPOINTS INTERIM PRESIDENT


Aiken, South Carolina, January 5, 2000/PRNewswire/ -- Advanced Glassfiber Yarns
LLC announced today that Robert Pistole has been named Interim President,
effective January 10, 2000. He will replace Robert Fisher, who is leaving to
pursue other career opportunities after serving as President since our formation
on September 30, 1998. Mr. Pistole is a 35-year veteran of Owens Corning, having
previously served as Vice President of Engineering, Vice President of Operations
for the Industrial Materials Group and Vice President of Operations for
Composites.

Advanced Glassfiber Yarns, headquartered in Aiken, SC, is one of the largest
global suppliers of glass yarns, which are a critical material used in a variety
of electronic, industrial construction and specialty applications. Our goal is
to be the preferred supplier of glass yarns to weavers that require superior
production technology and product innovation. To achieve this goal, our strategy
is to continue to emphasize fine yarns and specialty materials, develop new
products and product innovations, focus on operating efficiency and selectively
expand our business outside of North America. Prior to and including September
30, 1998, we were the glass yarns and specialty materials business of Owens
Corning. Since September 30, 1998, we have been a joint venture between Porcher
Industries, S.A. and Owens Corning.

CONTACT: Catherine Cuisson, CFO Advanced Glassfiber Yarns LLC, (803) 643-1197,
or Philippe Dorier, CFO Glass Holdings Corp., (336) 545-0011.