Holding(s) in Company

RNS Number : 6996C

GlaxoSmithKline PLC

03 September 2008

GlaxoSmithKline plc received on 3 September 2008 from Legal & General Group plc a notification of interests in GlaxoSmithKline plc Ordinary shares of 25 pence each, dated 3 September 2008. This notice is given in accordance with DTR 5.8.12.

TR-1: notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:	GlaxoSmithKline Plc
2. Reason for notification (yes/no)
An acquisition or disposal of voting rights		Yes
An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An event changing the breakdown of voting rights
Other (please specify):______________
3. Full name of person(s) subject to the notification obligation:	Legal & General Group Plc (Group) Legal & General Investment Management Limited (LGIM)
4. Full name of shareholder(s) (if different from 3.):	Legal & General Assurance (Pensions Management) Limited (PMC) Legal & General Group Plc (L&G)
5. Date of the transaction (and date on which the threshold is crossed or reached if different):	01 September 2008
6. Date on which issuer notified:	03 September 2008
7. Threshold(s) that is/are crossed or reached:	Below 5% (Group) Below 5% (LGIM)

8. Notified details:

A: Voting rights attached to shares
Class/type of shares if possible using the ISIN CODE	Situation previous to the Triggering transaction		Resulting situation after the triggering transaction
	Number of Shares	Number of Voting Rights	Number of shares	Number of voting rights		% of voting rights
				Direct	Indirect	Direct	Indirect
ORD GBP 0.25	261,984,775	261,984,775	Below 5%

B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ Conversion Period/ Date	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights

Total (A+B)
Number of voting rights	% of voting rights
Below 5%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:

Legal & General Group Plc (Direct and Indirect) (Group) (Below 5%)
Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) (Below 5%)
Legal & General Investment Management Limited (Indirect) (LGIM) (Below 5%)
Legal & General Group Plc (Direct) (L&G) (243,574,082 - 4.65 % = LGAS, LGPL & PMC)
Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) (199,844,176 - 3.81 % = PMC)	Legal & General Insurance Holdings Limited (Direct) (LGIH)
Legal & General Assurance (Pensions Management) Limited (PMC) (199,844,176 - 3.81 % = PMC)	Legal & General Assurance Society Limited (LGAS & LGPL)
	Legal & General Pensions Limited (Direct) (LGPL)

Proxy Voting:
10. Name of the proxy holder:	N/A
11. Number of voting rights proxy holder will cease to hold:	N/A
12. Date on which proxy holder will cease to hold voting rights:	N/A