Blocklisting Interim Review

Informa PLC
06 December 2006


                            BLOCK LISTING SIX MONTHLY RETURN
Page 1 of 7
To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed

1.  Name of company INFORMA PLC

2.  Name of scheme INFORMA GROUP PLC DISCRETIONARY SHARE OPTION SCHEME

3.  Period of return: From 05/06/2006 to 04/12/2006

4.  Number and class of share(s) (amount of  261,753 ordinary shares of 10 pence
    stock/debt security) not issued under    each
    scheme

5.  Number of shares issued/allotted under                             121,507
    scheme during period:

6.  Balance under scheme not yet issued/                               140,246
    allotted at end of period

7.  Number and class of share(s) (amount of  450,000 on 15/07/98, 500,000 on 18/
    stock/debt securities) originally listed 06/99,
    and the date of admission;
                                             830,000 on 07/02/00, 640,000 on 05/
                                             04/01 and 540,000 on 20/05/05 - All
                                             ordinary shares of
                                             10 pence each.

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
423,060,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH
Name: ANDREA CALLABY

Telephone: [phone]

Person making return
Name: ANTHONY FOYE

Position: FINANCE DIRECTOR

Signature:

Date: 6 December 2006

                             BLOCK LISTING SIX MONTHLY RETURN

Page 2 of 7

To: Listing Applications

UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed

1.  Name of company INFORMA PLC

2.  Name of scheme INFORMA GROUP PLC SAVINGS RELATED SHARE OPTION SCHEME

3.  Period of return: From 05/06/2006 to 04/12/2006

4.  Number and class of share(s) (amount 123,900 ordinary shares of 10 pence
    of stock/debt security) not issued   each
    under scheme

5.  Number of shares issued/allotted                                         0
    under scheme during period:

6.  Balance under scheme not yet issued/                               123,900
    allotted at end of period

7.  Number and class of share(s) (amount 100,000 on 15/07/98, 66,000 on 05/04/
    of stock/debt securities) originally 01, 6,146 on 20/05/05 and 280,000 on 24
    listed and the date of admission;    /05/05. All Ordinary shares of 10 pence
                                         each.

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

423,0609,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH
Name: ANDREA  CALLABY
Telephone: [phone]

Person making return

Name: ANTHONY FOYE

Position: FINANCE DIRECTOR

Signature:

Date: 6 December 2006

                            BLOCK LISTING SIX MONTHLY RETURN

Page 3 of 7

To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed

1.  Name of company INFORMA PLC

2.  Name of scheme IBC GROUP PLC 1995 EXECUTIVE SHARE OPTION SCHEME

3.  Period of return: From 05/06/2006 to 04/12/2006

4.  Number and class of share(s) (amount of    97,430 ordinary shares of 10
    stock/debt security) not issued under      pence each
    scheme

5.  Number of shares issued/allotted under                               3,271
    scheme during period:

6.  Balance under scheme not yet issued/                                94,159
    allotted at end of period

7.  Number and class of share(s) (amount of    450,000 on 07/02/00 and 200,000
    stock/debt securities) originally listed   on 05/04/01. All ordinary shares
    and the date of admission;                 of 10 pence each

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

423,060,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH
Name: ANDREA CALLABY

Telephone: [phone]

Person making return

Name: ANTHONY FOYE

Position: FINANCE DIRECTOR

Signature:

Date: 6 December 2006

                               BLOCK LISTING SIX MONTHLY RETURN
Page 4 of 7

To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed

1.  Name of company INFORMA PLC

2.  Name of scheme LLP GROUP PLC EMPLOYEE SHARE OPTION SCHEME

3.  Period of return: From 05/06/2006 to 04/12/2006

4.  Number and class of share(s) (amount of stock/debt   26,904 ordinary shares
    security) not issued under scheme                    of 10 pence each

5.  Number of shares issued/allotted under scheme during                13,440
    period:

6.  Balance under scheme not yet issued/allotted at end                 13,464
    of period

7.  Number and class of share(s) (amount of stock/debt   27,680 on 24/05/05 -
    securities) originally listed and the date of        All ordinary shares
    admission;                                           of
                                                         10 pence each

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

423,060,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH
Name: ANDREA CALLABY
Telephone: [phone]
Person making return

Name: ANTHONY FOYE

Position: FINANCE DIRECTOR

Signature:

Date: 6 December 2006

                           BLOCK LISTING SIX MONTHLY RETURN
Page 5 of 7

To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed
1.  Name of company INFORMA PLC

2.  Name of scheme TAYLOR & FRANCIS GROUP PLC DISCRETIONARY APPROVED SHARE
    OPTION SCHEME

3.  Period of return: From 05/06/2006 to 04/12/2006

4.  Number and class of share(s) (amount of stock/debt   10,000 ordinary shares
    security) not issued under scheme                    of 10 pence each

5.  Number of shares issued/allotted under scheme during                     0
    period:

6.  Balance under scheme not yet issued/allotted at end                 10,000
    of period

7.  Number and class of share(s) (amount of stock/debt   10,000 on 24/05/05 -
    securities) originally listed and the date of        All ordinary shares
    admission;                                           of
                                                         10 pence each

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

423,060,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH
Name: ANDREA CALLABY
Telephone: [phone]
Person making return
Name: ANTHONY FOYE
Position: FINANCE DIRECTOR
Signature:
Date: 6 December 2006

                              BLOCK LISTING SIX MONTHLY RETURN
Page 6 of 7
To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed

1.  Name of company INFORMA PLC

2.  Name of scheme TAYLOR & FRANCIS GROUP PLC DISCRETIONARY UNAPPROVED SHARE
    OPTION SCHEME

3.  Period of return: From 05/06/2005 to 04/12/2006

4.  Number and class of share(s) (amount 685,845 ordinary shares of 10 pence
    of stock/debt security) not issued   each
    under scheme

5.  Number of shares issued/allotted                                   572,805
    under scheme during period:

6.  Balance under scheme not yet issued/                               113,040
    allotted at end of period

7.  Number and class of share(s) (amount 450,000 on 25/05/05, 132,537 and
    of stock/debt securities) originally 440,000 on 17/01/2006, and 770,000 on
    listed and the date of admission;    26/04/2006 - All ordinary shares of 10
                                         pence each

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

423,060,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH
Name: ANDREA CALLABY
Telephone: [phone]
Person making return
Name: ANTHONY FOYE
Position: FINANCE DIRECTOR
Signature:
Date: 6 December 2006

                             BLOCK LISTING SIX MONTHLY RETURN
Page 7 of 7
To: Listing Applications
UK Listing Authority
Financial Services Authority
25, The North Colonnade
Canary Wharf
London, E14 5HS

               Please ensure the entries on this return are typed

1.  Name of company INFORMA PLC

2.  Name of scheme TAYLOR & FRANCIS GROUP PLC SAVINGS RELATED SHARE OPTION
    SCHEME

3.  Period of return: From 05/06/2006 to 04/12/2006

4.  Number and class of share(s) (amount of    12,964 ordinary shares of 10
    stock/debt security) not issued under      pence each
    scheme

5.  Number of shares issued/allotted under                                   0
    scheme during period:

6.  Balance under scheme not yet issued/                                12,964
    allotted at end of period

7.  Number and class of share(s) (amount of    1,000 on 24/05/05, 1,134 and
    stock/debt securities) originally listed   35,000 on 24/08/05 ordinary
    and the date of admission;                 shares of 10 pence each

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

423,060,760 as at 4 December 2006

Contact for queries: Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                     STREET, LONDON, W1T 3JH

Name: ANDREA CALLABY
Telephone: [phone]
Person making return
Name: ANTHONY FOYE
Position: FINANCE DIRECTOR
Signature:
Date: 6 December 2006




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