CORNING &lt;GLW>, HAZLETON &lt;HLC> SET EXCAHNGE RATIO

  Corning Glass Works said the
  exchange ratio for its previously announced acquisition of
  Hazleton Laboratories Corp has been established at 0.5165
  Corning common share for each Hazleton common share.
      Corning said the prospectus regarding the merger is
  expected to be mailed tomorrow to all Hazleton holders of
  record February 18. Hazleton shareholders will vote on the
  proposed merger at a special meeting on March 31.
  

