FFastFill is the leading SaaS Provider for trading and risk management serving the electronic trading community.

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESⁱ

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

Ffastfill PLC

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

An acquisition or disposal of voting rights

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

X

Other (please specify):

3. Full name of person(s) subject to the
notification obligation: ⁱⁱⁱ

Herald Investment Management Limited

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

a discretionary investment management client of Herald Investment Management Limited

5. Date of the transaction and date on
which the threshold is crossed or
reached: ^v

2^nd December 2011 (admission of 43,559,929 new ordinary shares to AIM)

6. Date on which issuer notified:

7^th December 2011

7. Threshold(s) that is/are crossed or
reached: ^{vi, vii}

10%

8. Notified details:

A: Voting rights attached to shares ^{viii, ix}

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 ^x

Indirect

Direct ^xi

Indirect ^xii

Direct

Indirect

GB0002130689

42,898,653

42,898,653

42,898,653

42,898,653

9.15%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial
instrument

Expiration
date ^xiii

Exercise/
Conversion Period ^xiv

Number of voting
rights that may be
acquired if the
instrument is
exercised/ converted.

% of voting
rights

None

Nil

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments ^{xv, xvi}

Resulting situation after the triggering transaction

Type of financial
instrument

Exercise price

Expiration date ^xvii

Exercise/
Conversion period ^xviii

Number of voting rights instrument refers to

% of voting rights ^{xix, xx}

None

Nominal

Delta

Nil

Total (A+B+C)

Number of voting rights

Percentage of voting rights

42,898,653

9.15%

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

N/A

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

13. Additional information:

14. Contact name:

Andrew Miller CFO

15. Contact telephone number:

020 7553 6308

Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in shares^xxii

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

Herald Investment Management Limited

Contact address

(registered office for legal entities)

10/11 Charterhouse Square

London EC1M 6EE

Phone number & email

020 7553 6308

Other useful information

(at least legal representative for legal persons)

Andrew Miller

B: Identity of the notifier, if applicable

Full name

See above

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information

In accordance with the FSA’s LIST Issue 14 Paragraph 3.13 we have used the company’s last notification of the total number of voting rights in issue (468,647,591) made on 30 Nov 11 through RNS to calculate the percentage of voting rights after the triggering transaction.

For notes on how to complete form TR-1 please see the FSA website.