Document:

Amendment Agreement to Draft Term Sheet: Equity Financing Mechanism
(Agreement)

 

Whereas WISeKey International Holding Ltd (WISeKey) and arago
GmbH (arago) (WISeKey and arago each a Party and together the Parties) have entered into an Equity Financing Mechanism
Agreement, dated 02 April 2021, and an Addendum Agreement, dated 28 July 2021 (together the Financing Agreement) pursuant to which
the Parties have agreed on the mechanism and terms for WISeKey to provide equity financing to arago;

 

Whereas WISeKey has so far provided to arago an amount of 3,081,761
Euro for the purposes of repaying the Harbert loan, 1,170,000 Euro for the purposes of clearing historic backlog invoices and 2,613,214
Euro for arago's operational funding requirements (the Existing Equity Funding) under the Financing Agreement;

 

Whereas Hans-Christian Boos through Aquilon Invest GmbH and OGARA GmbH
(together the Affiliates) has the right to sell to WISeKey its remaining stake in arago currently amounting to ~49% of arago's
entire share capital (the HCB Stake) in exchange of 12,327,506 WISeKey class B shares (the Put Option).

 

Whereas Arago requires additional short-term financing (the Bridge
Funding) to enable it to pay key suppliers and continue operations whilst a potential disposal of the business is negotiated. In the
event that WISeKey sells its 51% shareholding to the potential acquirer, then any Bridge Funding would be paid to WISeKey by the acquirer
in addition to the sale proceeds.

 

The Parties have agreed on WISeKey providing Bridge Funding to arago
up to a total amount of 1,308,176.08 Euro and therefore wish to extend the Financing Agreement as follows:

 

		1.	WISeKey shall facilitate additional equity financing for an additional amount of up to 1,308,176.08 Euro (the Bridge Funding),
to address the cash requirements and debts of arago by way of a convertible loan (as further specified below).

 

		2.	The Future Equity Financing will be provided as agreed between the parties, starting with an initial 1,000,000 Euro upon signature
of this agreement. An amount of 308,176.08 will be paid on 31 January 2022 to cover the instalment due under the Harbert loan.

 

		3.	All payments made to third parties by arago using the funds, regardless of the amount, provided as part of this Agreement will still
require approval by WISeKey's CFO or CEO.

 

		4.	In the event that the acquirer chooses not to proceed with the purchase of WISeKey's shareholding in arago, Hans-Christian Boos accepts
that the terms and conditions set forth in the Financing Agreement, including but not limited to the Conversion and the Conversion
Price will apply to the additional funding.

 

		a.	With the sole exception that the Conversion Price will be the VWAP of one WISeKey class B share as quoted on the SIX Swiss
Exchange during the twenty (20) consecutive SIX Swiss Exchange trading days until the trading day preceding the Conversion Notice issued
by WISeKey.

 

    Page 1 of 2

     

    

 

WISEKEY INTERNATIONAL HOLDING AG

 

	/s/Carlos Moreira	 	/s/Peter Ward
	Name:Carlos Moreira	 	Name:Peter Ward
	Title:CEO	 	Title:CFO
	Date:	 	Date:

ARAGO GMBH

 

	/s/Driss Khalfioui	 	/s/Hans-Christian Boos
	Name:Driss Khalfioui	 	Name:Hans-Christian Boos
	Title:Prokurist	 	Title:Managing Director
	Date:24.1.22	 	Date:24.1.22

 

	HANS-CHRISTIAN BOOS	 
	 	 
	/s/ Han-sChristian Boos	 
	Date: 24.1.22	 

 

Page 2 of 2Execution Version

 

Second
Amendment to

SUBSCRIPTION AGREEMENT

 

WISeKey International Holding AG,
a stock corporation (company registration number CHE- 143.782.707) organised and existing under the laws of Switzerland, having its registered
office at General-Guisan-Strasse 6, 6300 Zug, Switzerland, as issuer (the "Issuer"); and

 

L1 Capital Global Opportunities
Master Fund, a limited company incorporated in Cayman Island, with registered office at 161a Shedden Road, One Artillery Court, Grand
Cayman KY1- 1001, Cayman Islands (the "Investor" or "Initial Noteholder"),

 

enter into this Second Amendment to
Subscription Agreement (this “Amendment”) as of 3 March, 2022 (the “Signing Date”). Issuer and Investor
or Initial Noteholder may be referred to individually as a “Party” or collectively as the “Parties”.

 

Background

 

Issuer and Investor are parties to
a Subscription Agreement, dated as of June 29, 2021, which was amended on September 27, 2021 (the “First Amendment”)
(as further amended, the “Subscription Agreement”). Unless defined in this Amendment, capitalized terms have the meanings
set forth in the Subscription Agreement and references to sections are to sections of the Subscription Agreement and First Amendment,
as applicable.

 

As of the date hereof, the following
Notes pertaining to the respective Tranches pursuant to Section 2 (a) and Section 2 (c) of the First Amendment were issued by the Issuer
and subscribed and paid for by the Investor: (i) under the Initial Notes Tranche in the aggregate principal amount of US$ 11,000,000 on
June 29, 2021, (ii) under the First Accelerated Notes Tranche two tranches in the aggregate principal amounts of US$ 1,000,000 each on
September 27, 2021 and October 20, 2021, respectively, (iii) under the Second Accelerated Notes Tranche two tranches in the aggregate
principal amounts of US$ 2,000,000 and US$ 1,000,000 each on October 27, 2021 and November 5, 2021, respectively, and (iv) under the Third
Accelerated Notes Tranche in the aggregate principal amount of US$ 1,000,000 on December 21, 2021.

 

NOW, THEREFORE, for valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the Parties hereby agree as follows:

 

Terms
and Conditions

 

		1.	Amendments to Subscription Agreement

 

		(A)	The following Definitions in Section 1.1. are amended in its entirety to read as follows:

 

"Closing Date"
means the Initial Notes Tranche Closing Date, the Second Notes Tranche Closing Date, the Third Notes Tranche Closing Date, the Fourth
Notes Tranche Closing Date, the Fifth Notes Tranche Closing Date, any Additional Notes Tranche Closing Date and each Accelerated Notes
Tranche Closing Date (including any Additional Accelerated Notes Tranche Closing Date) as the context requires.

 

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"Notes" means
all notes provided for in this Agreement, including all notes under (i) the Initial Notes Tranche, the Second Notes Tranche, the Third
Notes Tranche, the Fourth Notes Tranche, the Fifth Notes Tranche, (ii) the Accelerated Notes Tranches (including any Additional Accelerated
Notes Tranches) and (iii) any Additional Notes Tranches.

 

"First Additional Accelerated
Notes Tranche Subscription Price" means the aggregate principal amount of the First Additional Accelerated Notes Tranche minus
the Original Issue Discount of 2% less any expenses referred to in Clause 11.2 (Investor's Expenses).

 

"Second Additional Accelerated
Notes Tranche Subscription Price" means the aggregate principal amount of the Second Additional Accelerated Notes Tranche minus
the Original Issue Discount of 2% less any expenses referred to in Clause 11.2 (Investor's Expenses).

 

"Third Additional Accelerated
Notes Tranche Subscription Price" means the aggregate principal amount of the Third Additional Accelerated Notes Tranche minus
the Original Issue Discount of 2% less any expenses referred to in Clause 11.2 (Investor's Expenses).

 

"Fourth Additional Accelerated
Notes Tranche Subscription Price" means the aggregate principal amount of the Fourth Additional Accelerated Notes Tranche minus
the Original Issue Discount of 2% less any expenses referred to in Clause 11.2 (Investor's Expenses).

 

"Fifth Additional Accelerated
Notes Tranche Subscription Price" means the aggregate principal amount of the Fifth Additional Accelerated Notes Tranche minus
the Original Issue Discount of 2% less any expenses referred to in Clause 11.2 (Investor's Expenses).

 

"Tranche" means
the Initial Notes Tranche, the Second Notes Tranche, the Third Notes Tranche, the Fourth Notes Tranche, the Fifth Notes Tranche, the Accelerated
Notes Tranches (including any Additional Accelerated Notes Tranches) and any Additional Notes Tranche, as the context requires.

 

		(B)	New Section. Section 2 (d) is added in its entirety to read as follows:

 

(d) as of
the date hereof, no additional Notes pertaining to any Tranche pursuant to Section 2 (a) of the First Amendment will be issued by the
Issuer or subscribed to by the Investor;

 

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		(C)	New Section. Section 2 (e) is added in its entirety to read as follows:

 

		(e)	the Parties mutually agree to increase the amount of the Fourth Accelerated Notes
Tranche pursuant to Section 2(c)(ix) of the First Amendment to the aggregate principal amount of up to US$ 5,000,000 whereby all obligations
pertaining to the Fourth Accelerated Notes Tranche pursuant to Section 2(c)(ix) of the First Amendment shall be deemed satisfied by issuing
or subscribing and paying, or procuring the subscription and payment for the following additional accelerated notes tranches (the "Additional
Accelerated Notes Tranches"):

 

		(i)	in the aggregate principal amount of a minimum of US$ 1,000,000 or upon mutual
consent of the Parties, a higher amount of up to US$ 5,000,000, unless the Parties agreed to a higher amount (the "First Additional
Accelerated Notes Tranche") on or around March 4, 2022, unless the Parties agreed to another date (the "First Additional
Accelerated Notes Tranche Closing Date") (such issuance on the First Additional Accelerated Notes Tranche Closing Date, the "First
Additional Accelerated Notes Tranche Closing");

 

		(ii)	in the aggregate principal amount of a minimum of the lesser of (A) US$ 1,000,000
or (B) US$ 5,000,000 minus the aggregate principal amount issued under the First Additional Accelerated Notes Tranche or, upon mutual
consent of the Parties, a higher amount of up to US$ 5,000,000 minus the aggregate principal amount issued under the First Additional
Accelerated Notes Tranche (the "Second Additional Accelerated Notes Tranche") within 30 days from the First Additional
Accelerated Notes Tranche Closing, unless the Parties agree to another date (the "Second Additional Accelerated Notes Tranche
Closing Date") (such issuance on the Second Additional Accelerated Notes Tranche Closing Date, the "Second Additional
Accelerated Notes Tranche Closing");

 

		(iii)	in the aggregate principal amount of a minimum of the lesser of (A) US$ 1,000,000
or (B) US$ 5,000,000 minus the sum of the aggregate principal amounts issued under the First Additional Accelerated Notes Tranche and
the Second Additional Accelerated Notes Tranche or, upon mutual consent of the Parties, a higher amount of up to US$ 5,000,000 minus the
sum of the aggregate principal amounts issued under the First Additional Accelerated Notes Tranche and the Second Additional Accelerated
Notes Tranche (the "Third Additional Accelerated Notes Tranche") within 30 days from the Second Additional Accelerated
Notes Tranche Closing, unless the Parties agree to another date (the "Third Additional Accelerated Notes Tranche Closing Date")
(such issuance on the Third Additional Accelerated Notes Tranche Closing Date, the "Third Additional Accelerated Notes Tranche
Closing");

 

		(iv)	in the aggregate principal amount of a minimum of the lesser of (A) US$ 1,000,000
or (B) US$ 5,000,000 minus the sum of the aggregate principal amounts issued under the First Additional Accelerated Notes Tranche, the
Second Additional Accelerated Notes Tranche and the Third Additional Accelerated Notes Tranche or, upon mutual consent of the Parties,
a higher amount of up to US$ 5,000,000 minus the sum of the aggregate principal amounts issued under the First Additional Accelerated
Notes Tranche, the Second Additional Accelerated Notes Tranche and the Third Additional Accelerated Notes Tranche (the "Fourth
Additional Accelerated Notes Tranche") within 30 days from the Third Additional Accelerated Notes Tranche Closing, unless the
Parties agree to another date (the "Fourth Additional Accelerated Notes Tranche Closing Date") (such issuance on the
Fourth Additional Accelerated Notes Tranche Closing Date, the "Fourth Additional Accelerated Notes Tranche Closing");

 

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		(v)	in the aggregate principal amount of a minimum of the lesser of (A) US$ 1,000,000
or (B) US 5,000,000 minus the sum of the aggregate principal amounts issued under the First Additional Accelerated Notes Tranche, the
Second Additional Accelerated Notes Tranche, the Third Additional Accelerated Notes Tranche and the Fourth Additional Accelerated Notes
Tranche or, upon mutual consent of the Parties, a higher amount of up to US$ 5,000,000 minus the sum of the aggregate principal amounts
issued under the First Additional Accelerated Notes Tranche, the Second Additional Accelerated Notes Tranche, the Third Additional Accelerated
Notes Tranche and the Fourth Additional Accelerated Notes Tranche (the "Fifth Additional Accelerated Notes Tranche")
within 30 days from the Fourth Additional Accelerated Notes Tranche Closing, unless the Parties agree to another date (the "Fifth
Additional Accelerated Notes Tranche Closing Date") (such issuance on the Fifth Additional Accelerated Notes Tranche Closing
Date, the "Fifth Additional Accelerated Notes Tranche Closing"); and

 

		(vi)	provided however that (i) the sum of the aggregate principal amounts for the Notes
issued under the Fourth Accelerated Notes Tranche and the Additional Accelerated Notes Tranches in accordance with Section 2(c)(ix) and
this Section 2 (e) herein does not exceed US$5,000,000 and (ii) the Closing Date of the respective Additional Accelerated Notes Tranches
does not fall more than 24 months after the date of this Agreement, as otherwise the Issuer shall no longer be obliged to subscribe and
pay for any outstanding Notes pertaining to each of the Additional Accelerated Notes Tranches.

 

		(D)	Section 7.1 Share Coverage is amended in its entirety to read as follows:

 

The Issuer shall ensure that it
has reserved and available exclusively for the Issuer in case of the conversion of any Notes in relation to the Initial Notes Tranche
and any Additional Notes Tranches, at all times when Notes are outstanding, a number of shares (reserved treasury shares and reserved
unissued shares from conditional share capital) equal to 150% of the outstanding aggregate principal amount converted into CHF using the
Noteholder's Rate of Exchange divided by the applicable Conversion Price B, always provided that the Issuer shall ensure that it has reserved
and available exclusively for the Issuer in case of the conversion of any Notes in relation to the Accelerated Notes Tranches (including
any Additional Accelerated Notes Tranches) at all times when Notes are outstanding, a number of shares (reserved treasury shares and reserved
unissued shares from conditional share capital) equal to 200% of the outstanding aggregate principal amount converted into CHF using the
Noteholder's Rate of Exchange divided by the applicable Conversion Price B.

 

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		(E)	Section 9.2. (d) is amended in its entirety to read as follows:

 

Delay of Closing Date:
On a monthly basis, the Investor will review its position and will have the right to delay the Closing Date in relation to the Second
Accelerated Notes Tranche, Third Accelerated Notes Tranche, the Fourth Accelerated Notes Tranche and any Additional Accelerated Notes
Tranches. The Investor will explain the reasons for the delay of the Closing Date to the Issuer along with the criteria which needs to
be met in order to agree on a revised Closing Date in relation to the Second Accelerated Notes Tranche, Third Accelerated Notes Tranche,
Fourth Accelerated Notes Tranche and any Additional Accelerated Notes Tranches.

 

		(F)	Section 9.4 Investor's conditions precedent to each Accelerated Notes Tranche
Closing is amended in its entirety to read as follows:

 

		9.4	Investor's conditions precedent to each Accelerated Notes Tranche Closing (including any Additional
Accelerated Notes Tranche Closing)

 

The Investor shall only be obliged
to subscribe and pay for the Notes pertaining to each of the First Accelerated Notes Tranche, the Second Accelerated Notes Tranche, the
Third Accelerated Notes Tranche, Fourth Accelerated Notes Tranche and any Additional Accelerated Notes Tranches within 3 Business Days,
only if and when the following conditions are satisfied in form and substance satisfactory to the Investor for each such Tranche:

 

		(a)	Accuracy of Representations: The Investor shall have been satisfied
(acting reasonably) that:

 

		(i)	the Issuer's representations and warranties contained in each Notes Document to
which it is a party shall in all material respects be true, accurate and correct on, and as if made on, the respective Accelerated Notes
Tranche Closing Date (including the respective Additional Accelerated Notes Tranche Closing Date); and

 

		(ii)	the Issuer shall have performed all of its obligations under each Notes Document
to which it is a party that are required to be performed on or before the respective Accelerated Notes Tranche Closing Date (including
the respective Additional Accelerated Notes Tranche Closing Date).

 

		(b)	No Event of Default, no Material Adverse Change and no Change of Control:
There shall not have occurred any Event of Default or any event or circumstance which would reasonably be expected to have a Material
Adverse Effect or constitute a Change of Control.

 

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		2.	Amendments to Schedule 1 Terms and Conditions

 

		(A)	Section 5 (a) Definitions is amended in its entirety to read as follows:

 

"Conversion Price B"
in relation to the Initial Notes Tranche, the Second Notes Tranche, the Third Notes Tranche, the Fourth Notes Tranche, the Fifth Notes
Tranche and any Additional Notes Tranches means 95% of the lowest daily VWAPs of one Issuer Share, as applicable, during the five (5)
consecutive Trading Days ending on (and including) the Trading Day immediately preceding the Conversion Date, rounded down to the nearest
Swiss Cent (CHF 0.01), and in relation to the Accelerated Notes Tranches (including any Additional Accelerated Notes Tranches) means 90%
of the lowest daily VWAPs of one Issuer Share, as applicable, during the ten (10) consecutive Trading Days ending on (and including) the
Trading Day immediately preceding the Conversion Date, rounded down to the nearest Swiss Cent (CHF 0.01) . If the number calculated pursuant
to the above formula is lower than the nominal value of one Issuer Share, such number shall be deemed to be equal to the nominal value
of one Issuer Share, provided the Noteholder receives the Nominal Value Make-Whole Payment.

 

		(B)	Section 8 (c) Conversion Price B Conversions is amended in its entirety to read as follows:

 

		(c)	Conversion Price B Conversions: Notwithstanding anything to the contrary
set out in Condition 8(b) (Conversion Ratio and Conversion Price), the Noteholder shall have the right to:

 

		(i)	in relation to the Initial Notes Tranche, the Second Notes Tranche, the Third Notes
Tranche, the Fourth Notes Tranche, the Fifth Notes Tranche and any Additional Notes Tranches convert each calendar month a Conversion
Amount of up to 12.5% of the initial aggregate principal amount of all issued Tranches into Issuer Shares whereby the Conversion Ratio
will be determined by converting the Conversion Amount into CHF, using the Noteholder's Rate of Exchange on the Conversion Date and dividing
the resulting figure by the Conversion Price B (95%). Any remainder smaller than CHF 10 shall not be paid. For the avoidance of doubt,
the receipt of a Redemption Notice shall in no way restrict the Noteholder from exercising the conversion right according to this Condition
8(c)(i) as long as the Notes have not been cancelled in accordance with Condition 10(c). The Issuer shall, in its sole discretion, have
the right to waive the limit of 12.5%. For the avoidance of doubt, the Investor can convert more than the 12.5% if the daily VWAP is above
the Fixed Conversion Price.

 

		(ii)	in relation to the Accelerated Notes Tranches (including any Additional Accelerated
Notes Tranches) convert at any time at the discretion of Investor a Conversion Amount of up to 100% of the initial aggregate principal
amount of all issued Tranches into Issuer Shares whereby the Conversion Ratio will be determined by converting the Conversion Amount into
CHF, using the Noteholder's Rate of Exchange on the Conversion Date and dividing the resulting figure by the Conversion Price B (90%).
Any remainder smaller than CHF 10 shall not be paid. For the avoidance of doubt, the receipt of a Redemption Notice shall in no way restrict
the Noteholder from exercising the conversion right according to this Condition 8(c)(i) as long as the Notes have not been cancelled in
accordance with Condition 10(c).

 

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		(iii)	convert, upon occurrence of an Event of Default,
a Conversion Amount equalling the sum of the aggregate principal amount of all issued and unconverted Notes, accrued interest and premium
(if any) and the Make-whole Amount (if applicable) into Issuer Shares whereby the Conversion Ratio will be determined by converting the
Conversion Amount into CHF, using the Noteholder's Rate of Exchange on the Conversion Date and dividing the resulting figure by the applicable
Conversion Price B (95% or 90%). The number of Issuer Shares to be delivered upon Conversion shall be rounded down to the next
full number. Any remainder smaller than CHF 10 shall not be paid.

 

		(iv)	convert, upon receipt of a Redemption Notice, a Conversion Amount of up to 12.5%
of the initial aggregate principal amount of all issued Tranches into Issuer Shares whereby the Conversion Ratio will be determined by
converting the Conversion Amount into CHF, using the Noteholder's Rate of Exchange on the Conversion Date and dividing the resulting figure
by the Conversion Price B. Any remainder smaller than CHF 10 shall not be paid. For the avoidance of doubt, the conversion right according
to this Condition 8(c)(iii) may be exercised in addition to the conversion right according to Condition 8(c)(i). The Issuer shall, in
its sole discretion, have the right to waive the limit of 12.5%.

 

		3.	General Terms.

 

		(A)	Except as amended hereby, all terms and conditions of the Subscription Agreement
and the First Amendment remain in full force and effect.

 

		(B)	This document contains the entire agreement of the Parties in connection with the
subject matter of this Amendment and cannot be changed or terminated orally.

 

		(C)	For the avoidance of doubt, the Noteholder has no material non-public information.

 

		(D)	The individuals signing on behalf of each Party represent that all necessary action
to authorize them to enter into this Amendment has been taken, including, without limitation, any member or manager approvals or resolutions
necessary to authorize execution of this Amendment.

 

		(E)	The Issuer shall pay the Investor a fixed fee of US$ 3,000 for the cost incurred
by it in connection with the negotiation, preparation and execution of this Amendment, whereby the corresponding amount (i) shall be deducted
directly from the Subscription Price of the First Additional Accelerated Notes Tranche or (ii), if no Notes Tranche is subscribed for
within 30 days of the date of this Amendment, shall be paid in cash to the Investor or such other party designated by the Investor.

 

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		(F)	This Amendment may be executed in counterparts, each of which when so executed
and delivered will be deemed an original, and all of such counterparts together will constitute but one and the same agreement. Facsimile,
..pdf and other electronic copies of signatures will be treated as original signatures for all purposes.

 

		(G)	If there is an express conflict between the terms of this Amendment and the terms
of the Subscription Agreement, the terms of this Amendment will govern and control.

 

[End of Second Amendment
to Subscription Agreement]

 

    8 

     

    

 

[Signature page to Second
Amendment to Subscription Agreement]

 

THE ISSUER

 

WISeKey International Holding AG

 

 

	/s/ Carlos Moreira	 	/s/ Peter Ward
	Name:	Carlos Moreira	 	Name:	Peter Ward
	Title:	Chairman of the board of directors	 	Title:	Member of the board of directors

 

THE INVESTOR

 

L1 Capital Global Opportunities Master Fund

 

 

	/s/ David Feldman	 	 
	Name:	David Feldman	 	 	 
	Title:	Portfolio Manager

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