Bioceres Crop Solutions (LTN) S-1/A IPO registration (amended)

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the inclusion in this Registration Statement of Union Acquisition Corp. (the “Company”) on Amendment No. 3 to Form S-1 (File No. 333-222744) of our report dated December 20, 2017, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audit of the financial statements of Union Acquisition Corp. as of December 4, 2017 and for the period from November 14, 2017 (inception) through December 4, 2017, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.

/s/ MarcumLLP

Marcum LLP
New York, NY
February 22, 2018