WESTELL AND TELTREND
            UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL DATA


         The following  unaudited  pro forma  condensed  consolidated  financial
statements  give effect to the  acquisition  of  Teltrend  by Westell  under the
purchase method of accounting as defined in APB Opinion No. 16.

         The  purchase  price of Teltrend  included in this Form 8-K varies from
that previously  reported.  The pro forma financial  statements  included herein
reflect a purchase  price for  Teltrend  which is based upon the  exchange  rate
agreed to by the  parties and the per share  value of  Westell's  Class A Common
Stock as of a range of dates  surrounding the  announcement of the  transaction,
which  occurred on December  13,  1999.  These  amounts will be reflected in the
financial statements of Westell as of and for the year ended March 31, 2000.

         When  reviewing the following  pro forma  information,  you should note
that:

         o    the pro forma condensed  consolidated balance sheet as of December
              31, 1999  assumes  that the merger took place on December 31, 1999
              and combines  Westell's  December 31, 1999 unaudited  consolidated
              balance  sheet  with   Teltrend's   January  29,  2000   unaudited
              consolidated balance sheet;

         o    the pro forma condensed  consolidated  statement of operations for
              the fiscal year ended March 31, 1999 assumes the merger took place
              as of April 1, 1998, and combines Westell's consolidated statement
              of  operations  for its  fiscal  year  ended  March 31,  1999 with
              Teltrend's unaudited  consolidated statement of operations for the
              comparable twelve month period ending May 1, 1999; and

         o    the pro forma condensed  consolidated  statement of operations for
              the nine month  period  ended  December  31, 1999 assumes that the
              merger took place as of April 1, 1999,  and combines the unaudited
              consolidated statement of operations of Westell for the nine month
              period  ending  December  31,  1999  with   Teltrend's   unaudited
              consolidated statement of operations for the comparable nine month
              period ending January 29, 2000.

         The unaudited pro forma condensed consolidated financial data have been
included for illustrative purposes only, and do not reflect any cost savings and
other synergies anticipated by Westell's management as a result of the merger or
any nonrecurring charges directly  attributable to the merger. The unaudited pro
forma condensed  consolidated  financial data are not necessarily  indicative of
the results of operations or financial position that would have occurred had the
merger  been  completed  on  the  dates  indicated,  nor  are  they  necessarily
indicative  of  future  results  of  operations  or  financial  position  of the
consolidated company.

         The purchase price  reflected in the  accompanying  pro forma condensed
consolidated  financial data has been calculated  based upon a fair market value
of  Westell's  Class A Common  Stock of $10.575  per share which was the average
closing price for the period from December 8, 1999 to December 14, 1999.

         The  acquired  assets and  liabilities  of  Teltrend  are stated in the
accompanying  pro forma condensed  consolidated  financial  statements at values
representing  a  preliminary  allocation  of  the  purchase  price.  Westell  is
currently  in  the  process  of  finalizing  valuations  for  the  tangible  and
intangible assets of Teltrend. The effects resulting from any differences in the
final  allocation  of the  purchase  price  may  differ  significantly  from the
estimates used herein.

         The  accompanying pro forma  information  should be read in conjunction
with the historical  financial statements and related notes for both Westell and
Teltrend,  which are included in their annual and quarterly reports on file with
the SEC.







                                                WESTELL AND TELTREND

                             UNAUDITED PRO FORMA CONDENSED CONSOLIDATED BALANCE SHEETS
                                                   (IN THOUSANDS)



                                                    Historical
                                        -----------------------------------
ASSETS                                              Westell       Teltrend         Pro Forma          Pro Forma
                                                   12/31/99        1/29/00       Adjustments           Combined
                                                                                    (Note 2)
                                        ------------------- ---------------     ------------     ---------------
                                                                                           
Current assets:
      Cash and cash equivalents......               $10,621        $21,054       $(8,120)(a)           $ 23,555
      Short term investments.........                    -           8,768         -                      8,768
      Accounts receivable (net of
      allowances)....................                18,886         12,834         -                     31,720
      Inventories....................                13,912         10,871          1,269(c)            26,052
      Prepaid expenses and other
      current assets.................                 2,528          4,323         -                      6,851
                                                    -------        -------       -------               --------
      Total current assets...........                45,947         57,850         (6,851)               96,946

Property and equipment,  net of
      accumulated depreciation and                   12,802          9,590            763(c)             23,155
      amortization ..................
Intangible assets, net...............                -               1,383        180,289(d)            181,672
Deferred tax asset and other long term
      assets.........................                19,175            931             -                 20,106
                                                    -------        -------           -------           --------
              Total assets                          $77,924        $69,754          $174,201          $ 321,879
                                                    =======        =======          ========          =========


LIABILITIES AND STOCKHOLDERS' EQUITY:

Current liabilities..................               $22,086        $13,833       $(2,356)(e)            $38,275
Other long term liabilities..........                 3,281         -              -                      3,281
Convertible debt (net of debt discount
      of $1,696).....................                18,304              -         -                     18,304
            Total liabilities.........               43,671         13,833           (2,365)             59,860
                                                   =======         =======        =========           =========

Stockholders equity
      Class A common stock,
      par $0.01......................                   176             66          (136)(b)                378
      Class B common stock,
      par $0.01......................                   191         -              -                        191
      Preferred stock, par $0.01.....                -              -              -                      -
      Additional paid in capital.....               100,850        100,843      (126,721)(b)            328,414
      Treasury stock.................                             (11,728)       (11,728)(b)
      Cumulative translation
      adjustment.....................                    78             33             33(b)                 78
      Accumulated deficit............              (67,042)       (33,293)       (33,293)(b)           (67,042)
                                                    -------        -------           -------           --------
 Total stockholders' equity...........               34,253          55,921         (171,845)            262,019
                                                    -------        -------           -------           --------

Total liabilities and stockholders'                $77,924         $69,754        $(174,201)          $ 321,879
      equity
                                                   =======         =======        =========           =========










                                                WESTELL AND TELTREND

                                     UNAUDITED PRO FORMA CONDENSED CONSOLIDATED
                             STATEMENT OF OPERATIONS FOR THE TWELVE MONTH PERIOD ENDED
                                       (IN THOUSANDS, EXCEPT PER SHARE DATA)



                                                    Historical
                                        -----------------------------------   Pro Forma
                                              Westell          Teltrend      Adjustments           Pro Forma
                                              3/31/99          5/01/99         (Note 2)            Combined
                                              -------          -------         --------            --------
                                                                                            
Equipment Sales......................               $71,863       $108,034  $         -                 $179,897
Service Revenue......................                21,317              -        -                       21,317
                                                    -------       --------  ----------                  --------
      Total Revenue..................                93,180        108,034        -                      201,214

Cost of equipment sales..............                55,439         58,284        -                      113,723
Cost of services.....................                12,877         -             -                       12,877
                                                    -------       --------  ----------                  --------
      Total cost of goods sold.......                68,316         58,284        -                      126,600
                                                    -------       --------  ----------                  --------
           Gross profit..............                24,864         49,750        -                       74,614

Operating expenses:
      Sales and marketing............                19,442         14,359        -                       33,801
      Research and development.......                26,605         15,475        -                       42,080
      General and administrative                     13,117          8,265         254(f)                 21,636
      Restructuring and loss on sale of
      disposal.......................                   800          1,300        -                        2,100
      Intangible amortization........                 -             -           32,157(g)                 32,157
                                                    -------       --------  ----------                  --------
           Total operating expenses..                59,964         39,399      32,412                   131,775

Operating income (loss)..............              (35,100)         10,351     (32,412)                 (56,161)
Other income, net....................                   404            823        -                        1,227
Interest expense.....................                   296         -             -                          296
                                                    -------       --------  ----------                  --------

Income (loss) before income taxes....              (34,992)         11,174     (32,412)                 (56,230)
Provision (benefit) for income taxes.                 -              4,383     (4,383)(h)                  -
                                                    -------       --------  ----------                  --------

Net income (loss)....................             $(34,992)       $  6,791  $   (28,029)               $(56,230)
                                                    -------       --------  ----------                  --------



Net income (loss) per
    basic common share...............               $(0.96)          $1.11  $          -              $   (0.99)
                                                   ========       ========  ===========                ========
Net income (loss) per
    diluted common share.............               $(0.96)          $1.10  $          -              $   (0.99)
                                                   ========       ========  ===========                ========
Weighted basic average of common
     shares and common share
     equivalents..... ...............                36,427          6,116       14,067(i)                56,610
                                                   ========       ========  ===========                ========
Weighted diluted average of common
    shares and common share equivalents
                                                     36,427          6,200       14,261(i)                56,888
                                                   ========       ========  ===========                ========










                                                WESTELL AND TELTREND

                                     UNAUDITED PRO FORMA CONDENSED CONSOLIDATED
                              STATEMENT OF OPERATIONS FOR THE NINE MONTH PERIOD ENDED
                                       (IN THOUSANDS, EXCEPT PER SHARE DATA)


                                                    Historical
                                        -----------------------------------   Pro Forma
                                              Westell          Teltrend      Adjustments          Pro Forma
                                             12/31/99          1/29/00         (Note 2)            Combined
                                             --------          -------         --------            --------
                                                                                        
Equipment sales......................               $56,478        $75,460  $         -             $131,938
Service revenue......................                22,702          -            -                   22,702
                                                    -------        -------  ------------            --------
      Total revenue..................                79,180         75,460        -                  154,640

Cost of equipment sales..............                43,002         41,484        -                   84,486
Cost of services.....................                14,783          -            -                   14,783
                                                    -------        -------  ------------            --------
       Total cost of goods sold......                57,785         41,484        -                   99,269
                                                    -------        -------  ------------            --------
           Gross profit..............                21,395         33,976        -                   55,371

Operating expenses
      Sales and marketing............                10,966          7,931        -                   18,897
      Research and development.......                 8,183         11,269        -                   19,452
      General and administrative                      9,519          5,842          191(f)            15,552
      Loss on sale of disposal  .....                 -              (495)                             (495)
      Intangible amortization........                 -              -           24,118(g)            24,118
                                                    -------        -------  ------------            --------
           Total operating expenses..                28,668         24,547          24,309            77,524

Operating income (loss)..............               (7,273)          9,429        (24,309)          (22,153)
Other income, net....................                   905          1,033        -                    1,938
Interest expense.....................                 1,418          -            -                    1,418
                                                    -------        -------  ------------            --------

Income (loss) before income taxes....               (7,786)         10,462        (24,309)          (21,633)
Provision (benefit) for income taxes.                                3,677      (3,677)(h)             -

Net income (loss) ...................             $ (7,786)        $ 6,785       $(20,632)       $  (21,633)
                                                    -------        -------  ------------            --------

Net income (loss) per
    basic common share...............             $  (0.21)        $  1.16  $           -          $  (0.39)
                                                    =======        =======  ============            ========
Net income (loss) per
    diluted common share.............             $  (0.21)        $  1.12  $           -          $  (0.38)
                                                    =======        =======  ============            ========
Weighted basic average of common
    shares and common share
    equivalents..... ................                36,561          5,861       13,480(i)            55,902
                                                    =======        =======  ============            ========
Weighted diluted average of common
    shares and common share
    equivalents .....................               36,561          6,048       13,911(i)            56,520
                                                    =======        =======  ============            ========









                              WESTELL AND TELTREND
                          NOTES TO UNAUDITED PRO FORMA
                      CONDENSED CONSOLIDATED FINANCIAL DATA

NOTE 1-- PURCHASE PRICE ALLOCATION

         The purchase price for the acquisition was $238.2 million, based upon a
fair market value of  Westell's  Class A Common Stock of $10.575 per share which
was the average  closing  price for the period from December 8, 1999 to December
14, 1999,  and the issuance of 20.196  million  shares of Westell Class A Common
Stock in exchange for all shares of Teltrend common stock,  plus the fair market
value of the 2.0  million  Westell  stock  options  issued in  exchange  for the
outstanding Teltrend stock options.

       The  acquired  assets  and  liabilities  of  Teltrend  are  stated in the
accompanying  pro forma condensed  consolidated  financial  statements at values
representing  a  preliminary  allocation  of  the  purchase  price.  Westell  is
currently  in  the  process  of  finalizing  valuations  for  the  tangible  and
intangible assets of Teltrend. The effects resulting from any differences in the
final  allocation  of the  purchase  price  may  differ  significantly  from the
estimates used herein.

      Total purchase  consideration  and allocation of increase in basis used in
the preparation of these statements was computed as follows:




 Purchase price:



                                                                                                            
 Acquisition of outstanding shares of  common stock, including stock options.......................           $213,575
 Conversion of Teltrend options for Westell options................................................             14,191
 Acquisition expenses..............................................................................              8,120
 Severance costs...................................................................................              2,356
                                                                                                       ----------------
                   Total purchase price............................................................           $238,242

 Allocation of purchase price:

 Book value of assets acquired.....................................................................            $54,538
 Increase in inventory to fair market value less selling costs.....................................              1,269
 Increase in basis of property and equipment to estimated fair market value........................                763
 Goodwill..........................................................................................            181,672
                                                                                                       ----------------
                   Total purchase price............................................................           $238,242



NOTE 2-- PRO FORMA ADJUSTMENTS

         Certain pro forma adjustments have been made to the historical  amounts
in the unaudited pro forma condensed consolidated financial data:

a)    Total costs  associated with the merger are estimated to be  approximately
      $8.1  million.  Costs to be incurred by Westell and Teltrend in connection
      with the merger include investment  banking,  legal,  accounting and other
      related fees,  and have been reflected in the  accompanying  unaudited pro
      forma condensed consolidated balance sheet as a reduction to cash.

b)    Reflects  (i) the  issuance of 20.196  million  shares of Westell  Class A
      Common  Stock in exchange  for all shares of Teltrend  common  stock based
      upon an exchange  ratio of 3.3 shares of Westell  Class A Common Stock for
      each share of Teltrend  common stock at an estimated  fair market value of
      $10.575 per share of Westell Class A Common Stock and (ii) the fair market
      value of 2.0 million  Westell  stock  options  issued in exchange  for the
      outstanding  Teltrend  stock  options.  Also reflects the  elimination  of
      Teltrend equity accounts.




c)    Adjustment  to record  inventory  and property and  equipment to estimated
      fair market value, less selling costs.

d)    Excess  of  purchase  price   consideration  over  fair  market  value  of
      identifiable tangible and intangible assets.

e)    Estimated severance costs that will be accrued at the acquisition date and
      paid over the following year.

f)    Additional  depreciation  as a result  of the  increase  of  property  and
      equipment to fair market value.

g)    Amortization  of goodwill and  intangibles on a  straight-line  basis over
      2-15 year lives.

h)    Elimination of tax provision recorded due to the combined entity operating
      at a pro forma loss. All tax benefit is offset by a valuation allowance in
      pro forma analysis.

i)    The calculation of weighted  average common and common  equivalent  shares
      uses an exchange  ratio of 3.3 shares of Westell  Class A Common Stock for
      each share of Teltrend common stock.  Common  equivalent shares consist of
      dilutive  shares issuable upon the exercise of stock options and have been
      excluded from the calculation, as their effect would be anti-dilutive.