Director/PDMR Shareholding

1.

Details of PDMR/person closely associated with them ('PCA')

a)

Name

Mr J Symonds

b)

Position/status

Non-Executive Chairman

c)

Initial notification/

amendment

Initial notification

2.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

GlaxoSmithKline plc

b)

LEI

5493000HZTVUYLO1D793

3.

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transaction(s) has been conducted

a)

Description of the financial instrument

Ordinary shares of 25 pence each ('Ordinary Shares')

ISIN: GB0009252882

b)

Nature of the transaction

Transfer of Ordinary Shares beneficially held for Mr Symonds in his Zeneca Retirement Capital Plan to his personal shareholding account for nil consideration.

c)

Price(s) and volume(s)

Price(s)

Volume(s)

£0.00

9,027

d)

Aggregated information

N/A (single transaction)

Aggregated volume Price

e)

Date of the transaction

2019-12-10

f)

Place of the transaction

N/A