MEMC Electronic Materials, Inc. Ken Young 501 Pearl Drive St. Peters, MO 63376-0008 USA Amendment to Loan Agreement Dear Mr. Young, reference is made to the USD 75,000,000 Revolving Credit Agreement dated as of July 10, 1995 between MEMC Electronic...

MEMC Electronic Materials, Inc.
Xxx Xxxxx
000 Xxxxx Xxxxx

Xx. Xxxxxx, XX 00000-0000

XXX


Amendment to Loan Agreement

Dear Xx. Xxxxx,

reference is made to the USD 75,000,000  Revolving  Credit Agreement dated as of
July 10, 1995 between MEMC Electronic Materials, Inc. and Xxxx XX.

We confirm to extend the credit line for 6 month at a margin of 1.25%.

         Subsequently  "Termination  Date" ist  defined  as the  earlier  of (a)
         September 30, 1998 and (b) the date of the  termination in whole of the
         Commitments pursuant to Section 2.04 or Section 6.01.

         Section  2.07 (a) Interest on the Advances is modified to: The Borrower
         shall pay interest on the unpaid principal amount of each Advance owing
         to each  Lender  from the date of such  Advance  until  such  principal
         amount  shall be paid in full at a rate per  annum  equal at all  times
         during  each  Interest  Period  for such  Advance to the sum of (i) the
         Eurodollar  Rate for such  Interest  Period for such  Advance plus (ii)
         1.25%,  payable in arrears on the last day of such Interest  Period and
         on the date such Advance shall be paid in full.

Please return a signed copy of this  confirmation  to show your  agreement  with
these terms.

Yours truly,                                     Terms Accepted by MEMC
XXXX AKTIENGESELLSCHAFT                          3/4/98

/s/ Xxxxxx Xxxxxxxxxxx                           /s/ Xxxxxxx X. Xxxxx, Treasurer
/s/ Xxxxxxx Xxxxx                                /s/ Xxxxx X. Xxxxxx, CFO