Form 8 (OPD) Pareteum Corporation

(a) Full name of discloser:

PARETEUM CORPORATION

(b) Owner or controller of interests and short positions disclosed, if different from 1(a):

The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.

(c) Name of offeror/offeree in relation to whose relevant securities this form relates:

Use a separate form for each offeror/offeree

OFFEROR - PARETEUM CORPORATION

(d) Is the discloser the offeror or the offeree?

OFFEROR - PARETEUM CORPORATION

(e) Date position held:

The latest practicable date prior to the disclosure

14 JUNE 2018

(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer?

If it is a cash offer or possible cash offer, state "N/A"

YES

ARTILIUM PLC (OFFEREE)

Class of relevant security:

Common stock, US$0.00001 par value

Interests

Short positions

Number

%

Number

%

(1) Relevant securities owned and/or controlled:

Nil

-

Nil

-

(2) Cash-settled derivatives:

Nil

-

Nil

-

(3) Stock-settled derivatives (including options) and agreements to purchase/sell:

Nil

-

Nil

-

TOTAL:

Nil

-

Nil

-

Class of relevant security in relation to which subscription right exists:

None

Details, including nature of the rights concerned and relevant percentages:

None

Details of any interests, short positions and rights to subscribe (including directors' and other employee options) of any person acting in concert with the party to the offer making the disclosure:

(a) Interests held by directors of Pareteum Corporation and their close relatives and related trusts

(b) Options / awards

Yves Van Sante's holding at (a) above excludes 200,000 shares of common stock held pursuant to a restricted stock award (but not yet vested).

Luis Jimenez-Tuñon's holding at (a) above excludes:

- 200,000 common stock pursuant to a restricted stock award (one third are due to vest in October 2018 and the remaining two thirds vest during the next 24 months thereafter); and

- 32,583 common stock vested (but not yet issued) as payment for Board of Directors fees.

Robert H. Turner's holding at (a) above excludes:

- 50,000 shares of common stock issuable upon exercise of options at an exercise price of US$3.50;

- 100,000 shares of common stock issuable upon exercise of options at an exercise price of US$8.25; and

- 337,500 unvested options.

Laura Thomas's holding at (a) above, excludes 100,000 shares of common stock pursuant to an option to purchase common stock.

(c) Shares held by Jefferies Investment Advisers, LLC

Jefferies Investment Advisers, LLC, a company in the same corporate group as Jefferies International Limited (which is acting as financial adviser to Pareteum Corporation in relation to the offer), holds (and exercises discretionary control over) 200 common stock (0.00037% of common stock outstanding) on behalf of itself and several underlying beneficial owners.

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the party to the offer making the disclosure or any person acting in concert with it:

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state "none"

None

Details of any agreement, arrangement or understanding, formal or informal, between the party to the offer making the disclosure, or any person acting in concert with it, and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state "none"

None

Supplemental Form 8 (Open Positions)

NO

Supplemental Form 8 (SBL)

NO

15 June 2018

Alexander Korff

+1 (212) 984 1096