Holding(s) in Company

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

RPC Group Plc

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

X

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to thenotification obligation:

Ameriprise Financial, Inc. and its group

4. Full name of shareholder(s)  (if different from 3.):

See attached information under 13

5. Date of the transaction and date onwhich the threshold is crossed orreached:

08 June 2015

6. Date on which issuer notified:

10 June 2015

7. Threshold(s) that is/are crossed orreached:

Below the threshold of 5%

8. Notified details:

A: Voting rights attached to shares

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Indirect

Direct

Indirect

GB0007197378

9,160,283

9,160,283

122,064

122,064

12,329,662

0.048%

4.888%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate

Exercise/Conversion Period

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date

Exercise/Conversion period

Number of voting rights instrument refers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

12,451,726

4.936%

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

Ameriprise Financial, Inc. which through intermediate holding companies controls the voting rights of Columbia Management Investment Advisers, Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. and Threadneedle Asset Management Holdings Ltd, which itself controls the voting rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions Ltd.

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 holdvoting rights:

N/A

13. Additional information:

Registered Owner

Littledown Nominees Ltd A/c 39364 3,128,787

Vidacos Nominees Ltd A/c 6012918307 1,526,706

HSBC Global Custody

Nominee (UK) Limited A/c 740190 44,323

HSBC Global Custody

Nominee (UK) Limited A/c 739874 229,302

HSBC Global Custody

Nominee (UK) Limited A/c 740311 23,965

The Bank of New York

(Nominees) Limited A/c PTG 15303/

09997799 175,183

HSBC Global Custody

Nominee (UK) Limited A/c 811056 73,256

Chase Nominees Ltd A/c 44729 159,969

Nortrust Nominees LTD A/c BBH05 224,065

Securities Services

Nominee Limited A/c 07000000700 468,734

State Street Bank & Trust

Boston A/c MKCB 525,033

William & Glyns (Isle of

Man) Nominees Ltd A/c 301780 68,633

Nortrust Nominees LTD A/c ZLA05 230,518

Nortrust Nominees LTD A/c ZLA07 1,189,140

Littledown Nominees Ltd A/c 27642 50,341

Littledown Nominees Ltd A/c 07197 71,723

Littledown Nominees Ltd A/c 10479 4,804

Nortrust Nominees LTD A/c ZLA12 63,740

Nortrust Nominees LTD A/c ZLA14 19,787

Nortrust Nominees LTD A/c 34789 134,353

Mellon Nominees (UK) Ltd A/c WWSF0004002 450,787

Littledown Nominees Ltd A/c 10491 3,092,679

Littledown Nominees Ltd A/c 10488 322,783

Littledown Nominees Ltd A/c 31348 173,155

Rebecca Joyce, Company Secretary

15. Contact telephone number:

01933 410064