MAY TEST PRODUCTION AVERAGES 2,570 BOPD


<p>
	<strong>Test production from the Early Production System (EPS) on Blocks 3 and
4 onshore the Sultanate of Oman continues with long term production tests on
wells from both the Saiwan East oil field on Block 4 and the Farha South oil
field on Block 3. The production rates vary depending on test programme design
and available capacity. A total amount of 32,123 barrels of oil were produced
in April and 79,655 barrels in May, corresponding to an average rate of 1,071
barrels of oil per day (&#34;BOPD&#34;) for April and 2,570 BOPD for May.
Tethys&#8217; share of the production, before government take, amounts to 30
per cent of the total or 9,637 barrels for April and 23,897 barrels in May.
</strong></p> 
<p>
	A total of 8 wells have been in intermittent production as part of the test
programme including&#160; the Farha South-7 and -10 wells which were completed
and hooked up to the EPS during May.</p> 
<p>
	The drilling program on Blocks 3 and 4 is continuing and the two rigs in
operation are now drilling the Farha South-11 well on Block 3 and the Saiwan
East-8 well on Block 4.</p> 
<p>
	Tethys has a 30 per cent interest in Blocks 3 and 4. Partners are Mitsui
E&#38;P Middle East B.V. with 20 per cent and the operator CC Energy
Development S.A.L. (Oman branch) holding the remaining 50 per cent.</p> 
<p>
	&#160;</p>
<p>
	<strong>For further information, please contact</strong></p>
<p>
	Magnus Nordin<strong>, </strong>Managing Director, phone +46 70&#160;576 6555;
magnus@tethysoil.com</p> 
<p>
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<p>
	<strong>Tethys Oil AB (publ)</strong></p>
<p>
	Tethys Oil is a Swedish energy company focused on identification and
development for production of oil and natural gas assets. Tethys&#8217; core
area is the Sultanate of&#160; Oman, where the company is the second largest
onshore oil and gas concession-holder with licence interests in three onshore
blocks. Tethys also has licences onshore France and Sweden. Tethys&#8217;
strategy is to invest in projects in areas with known oil and natural gas
discoveries that have not been properly appraised using modern technology. In
this way, high returns can be achieved with limited risk.</p> 
<p>
	The shares are listed on First North (TETY) in Stockholm. Remium AB is
Certified Adviser.</p> 
<p>
	Website: www.tethysoil.com</p>

About Tethys Oil

Tethys Oil is a Swedish oil company with focus on onshore areas with known oil discoveries. Tethys Oil's core area is Oman, where the company holds 2P Reserves of 25 mmbo and 2C Contingent Resources of 13 mmbo and had an average oil production of 11,767 barrels per day from Blocks 3&4 during 2018. Tethys Oil also has onshore exploration licences in Lithuania and France and some production in Lithuania. The shares are listed on Nasdaq Stockholm (TETY).