Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	Jan 14, 2019	C	630,705	$5.00	A	630,705	I	Palm Global Small Cap Master Fund LP
Common Stock	Jan 14, 2019	C	420,470	$5.00	A	420,470	I	Palm Active Dental, LLC
Common Stock	Jan 14, 2019	C	95,344	$5.00	A	95,344	I	Palm Active Dental II, LLC
Common Stock^F6	Jan 14, 2019	C	1,264	—	A	631,969	I	Palm Global Small Cap Master Fund LP
Common Stock^F6	Jan 14, 2019	C	843	—	A	421,313	I	Palm Active Dental, LLC
Common Stock^F6	Jan 14, 2019	C	204	—	A	95,548	I	Palm Active Dental II, LLC
Common Stock^F1	Jan 14, 2019	D	631,969	—	D	0	I	Palm Global Small Cap Master Fund LP
Common Stock^F1	Jan 14, 2019	D	421,313	—	D	0	I	Palm Active Dental, LLC
Common Stock^F1	Jan 14, 2019	D	95,548	—	D	0	I	Palm Active Dental II, LLC
Common Stock^F4,F1	Jan 14, 2019	D	2,000	—	D	0	I	Bradley M. Tirpak
Common Stock^F4,F1	Jan 14, 2019	D	2,000	—	D	0	I	Joshua Horowitz

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Convertible Senior Subordinated Secured Loan Notes^{F7,F8,F1,F2,F5,F6,F10}	$5.00	Jan 14, 2019	C	—	D	—	—	Common Stock	630,705	I
Convertible Senior Subordinated Secured Loan Notes^{F7,F8,F1,F2,F5,F6,F10}	$5.00	Jan 14, 2019	C	—	D	—	—	Common Stock	420,470	I
Convertible Senior Subordinated Secured Loan Notes^{F7,F8,F1,F2,F5,F6,F10}	$5.00	Jan 14, 2019	C	—	D	—	—	Common Stock	95,344	I
Series A Convertible Preferred Stock^{F6,F1,F2,F7,F9,F10}	—	Jan 14, 2019	C	6	D	—	—	Common Stock	1,264	I
Series A Convertible Preferred Stock^{F6,F1,F2,F7,F9,F10}	—	Jan 14, 2019	C	4	D	—	—	Common Stock	843	I
Series A Convertible Preferred Stock^{F6,F1,F2,F7,F9,F10}	—	Jan 14, 2019	C	1	D	—	—	Common Stock	204	I

Explanation of responses

F1On January 14, 2019, Birner Dental Management Services, Inc. ("Birner") completed a merger transaction pursuant to which Birner became a wholly owned subsidiary of Mid-Atlantic Dental Services Holdings, LLC (the "Merger"). Each share of Birner common stock was converted into the right to receive $10.62 in cash and a contingent value right that entitles the holder thereof to receive up to $0.13 per share that may become payable after 18 months, in each case, without interest and less any applicable withholding taxes (the "Merger Consideration").
F10Represents underlying shares of Common Stock.
F2Pursuant to a Notice of Conversion dated December 14, 2018, immediately prior to the effective time of the Merger, the Reporting Persons converted their Convertible Senior Subordinated Loan Notes (the "Notes") and Series A Convertible Preferred Stock ("Series A Preferred") into Series B Convertible Preferred ("Series B Preferred") and, immediately thereafter, converted the Series B Preferred into shares of Common Stock.
F3Represents shares of Common Stock disposed of in the Merger for the Merger Consideration.
F4Represents shares of restricted Common Stock cancelled in the Merger in exchange for the Merger Consideration.
F5Each Note was convertible at any time at the option of the holder into Series B Preferred, which Series B Preferred was then convertible into Common Stock at any time at the option of the holder. The maturity date for the Notes was September 30, 2023.
F6Each share of Series A Preferred was convertible into such number of shares of Series B Preferred as was determined by dividing the Series A Preference Price ($1,000 per share of Series A Preferred), plus any and all accrued and unpaid dividends, by $5. Each share of Series B Preferred was convertible into such number of shares of Common Stock as was determined by dividing the Series B Preference Price ($5 per share of Series B Preferred), plus any and all accrued and unpaid dividends, by the Conversion Price ($5) then in effect.
F7The aggregate amount of PIK interest and dividends for the Notes and Series A Preferred was $276,145 through January 14, 2019.
F8Represents the outstanding principal amount of the Notes converted plus PIK interest.
F9Includes dividends required to be paid in kind as additional shares.