Director/PDMR Shareholding

GlaxoSmithKline PLC
17 January 2008



This announcement replaces the original announcement released on 3 January 2008
at 16:38, RNS No: 0587L.

The number of dividends reinvested for Dr Ronaldo Schmitz should have read
664.19, not 666.93 as previously stated, and the number of dividends reinvested
for Mr Tom de Swaan should have read 35.15, not 34.26 as previously stated.
                                                                                            
All other details remain unchanged. The amended text appears below.


   Notification of Transactions of Directors, Persons Discharging Managerial
                      Responsibility or Connected Persons


I give below details of changes in the directors' interests in the Ordinary
Shares and American Depository Shares (ADSs) of GlaxoSmithKline plc.

On 31 December 2007, the Company's Non-Executive Directors were provisionally
allocated the following awards over Ordinary Shares and American Depository
Shares (ADSs) in the Company through the Annual Re-investment of Dividends paid
throughout 2007:

SmithKline Beecham Non-Executive Directors Retainer Fee and Share Allocation
Award - Annual Dividend Reinvestment

Non-Executive Director    No. of Ordinary     Average Price (£)
                                   Shares

Sir Ian Prosser                    42.361               12.8433


GlaxoSmithKline Non-Executive Directors Automatic Share Award and Elected Share
Award - Annual Dividend Reinvestment

Non-Executive Director    No. of Ordinary      Average    No. of ADSs    Average 
                                   Shares    Price (£)                 Price ($)
Sir Christopher Gent               728.17      12.8433
Prof Sir Roy Anderson                   -            -
Dr Stephanie Burns                                               5.92      50.82
Mr Lawrence Culp                                               357.82      50.82
Sir Crispin Davis                  729.43      12.8433
Sir Deryck Maughan                                             278.73      50.82
Dr Daniel Podolsky                                              43.48      50.82
Sir Ian Prosser                    767.65      12.8433
Dr Ronaldo Schmitz                 664.19      12.8433
Mr Tom de Swaan                     35.15      12.8433
Sir Robert Wilson                  191.97      12.8433


The Company and the Non-Executive Directors were informed of these allocations
on 2 January 2008.

This notification relates to transactions notified in accordance with Disclosure
and Transparency Rule 3.1.4R(1)(a).


S M Bicknell
Company Secretary
3 January 2008


                      This information is provided by RNS
            The company news service from the London Stock Exchange