[sheet: Cover]

Field	Value
Document Title	Fee Budget Estimate — IRS Transfer Pricing Examination Defense
Client	Penterra Pharmaceuticals Corp.
Matter Number	1018-00009
Prepared By	Sylvia Hartwell, Billing Partner; Garrett Simmons, Lead Associate
Date Prepared	June 2, 2022
Prepared For	Marcus Whitfield, VP Global Tax, Penterra Pharmaceuticals Corp.
Copies To	Deborah Staines (General Counsel, PPC); Leonard Cross (Responsible Partner, C&H)
Firm	Calderwood & Harkness LLP
Office	1735 Market Street, Suite 3100, Philadelphia, PA 19103
Confidentiality	PRIVILEGED & CONFIDENTIAL — Attorney-Client Privilege / Work Product
Subject Matter	IRS LB&I transfer pricing examination — TY 2017, 2018, 2019, 2020
IRS Exam Team ID	LB&I-NE-TP-2022-00641
PPC EIN	22-3741856
Estimated Fee Range (C&H)	$4,500,000 – $7,000,000
Engagement Letter Date	June 2, 2022

[sheet: Billing Rates]

Timekeeper	Title / Role	Office	Bar Admissions	Years Experience	2022 Hourly Rate
Leonard Cross	Responsible Partner, Tax Department	Philadelphia	NY, NJ, DC	28	$1,475
Sylvia Hartwell	Billing Partner, Tax Department	New York	NY, DC	22	$1,350
Garrett Simmons	Lead Associate, Tax Department	Philadelphia	NY	7	$885
Leila Nazari	Working Associate, Tax Department	Philadelphia	NY, NJ	4	$695
Paralegal / Tax Analyst (TBD)	Paralegal Support	Philadelphia	N/A	N/A	$395
Litigation Support / E-discovery	Document Management	Philadelphia	N/A	N/A	$295

[sheet: Phase Summary]

Phase	Description	Estimated Start	Estimated End	Est. Hours Low	Est. Hours High	Est. Fees Low	Est. Fees High	% of Total Low	% of Total High
Phase 1	Initial Assessment & Engagement Setup	June 2022	July 2022	180	240	$175,000	$235,000	3.9%	3.4%
Phase 2	IDR Response & Document Production	June 2022	September 2023	1800	2800	$1,650,000	$2,560,000	36.7%	36.6%
Phase 3	Functional & Economic Analysis Coordination	July 2022	December 2022	600	900	$555,000	$830,000	12.3%	11.9%
Phase 4	IRS Examination Conferences & Meetings	June 2022	October 2023	250	400	$250,000	$400,000	5.6%	5.7%
Phase 5	NOPA Review & Analysis	October 2023	November 2023	300	450	$290,000	$440,000	6.4%	6.3%
Phase 6	Formal Protest Preparation & Filing	November 2023	December 2023	550	850	$520,000	$800,000	11.6%	11.4%
Phase 7	IRS Appeals — Preparation & Conference	January 2024	March 2024	650	1000	$640,000	$985,000	14.2%	14.1%
Phase 8	Settlement Negotiation & Closing	March 2024	April 2024	250	400	$230,000	$380,000	5.1%	5.4%
Phase 9	Post-Resolution (Amended Returns, Going-Forward Advice)	April 2024	May 2024	180	280	$175,000	$270,000	3.9%	3.9%
Phase 10	Matter Administration (Billing, Status Reports, Privilege Mgmt)	June 2022	May 2024	50	100	$15,000	$100,000	0.3%	1.4%
TOTAL	4810	7420	$4,500,000	$7,000,000	100%	100%

[sheet: Phase 1 Detail]

Task	Responsible Timekeeper(s)	Est. Hours Low	Est. Hours High	Est. Fees Low	Est. Fees High	Notes
Review IRS Letter 2205-A and examination scope	Cross, Simmons	10	15	$11,800	$17,700	Letter received May 16, 2022; Exam Team LB&I-NE-TP-2022-00641
Prepare and file IRS Form 2848 (Power of Attorney)	Nazari	5	8	$3,475	$5,560	Covers Cross, Hartwell, Simmons, Nazari for TY 2017–2020
Engagement letter negotiation and execution	Hartwell, Cross	15	20	$21,188	$28,250	Executed June 2, 2022
Conflicts check and clearance	Nazari, Paralegal	8	12	$5,560	$7,660	Clear against PPC, PBI, PHL, PMI, Crestfield & Associates, IRS personnel
Document preservation notice (PPC, PBI, PHL, PMI)	Simmons, Nazari	10	15	$7,900	$11,850	Issued June 6, 2022
Privilege protocol establishment (including Kovel arrangement with Whitmore Valuation Group)	Cross, Nazari	12	18	$12,935	$19,403	Kovel letter executed June 20, 2022; reference 1018-00009-KV
Initial client meeting and fact-gathering (Whitfield, Staines)	Cross, Hartwell, Simmons	20	25	$24,700	$30,875	Review corporate structure: PPC → PHL → PBI; PMI
Preliminary assessment memo — IRS examination scope and exposure	Cross, Simmons, Nazari	40	50	$44,775	$55,969	Review CSA (eff. July 1, 2012), PCT ($312M), royalty rate (4.5%), PBI substance
Coordination call with Crestfield & Associates (Martin Ogilvy, Susan Lam)	Simmons, Nazari	10	15	$7,900	$11,850	Obtain contemporaneous TP documentation for TY 2017–2020
Initial coordination with Thornbury & Keogh (Ciarán Thornbury)	Nazari	8	12	$5,560	$8,340	Irish tax aspects — PBI, PMI
Staffing plan and matter administration setup	Hartwell	10	12	$13,500	$16,200
Opening conference preparation (IRS)	Cross, Simmons	20	30	$23,600	$35,400	Conference with SRA Meskill and RA Dunleavy
Subtotal Phase 1	168	232	$182,893	$248,957	Rounded to $175,000–$235,000 in summary

[sheet: Phase 2 Detail]

Task	Responsible Timekeeper(s)	Est. Hours Low	Est. Hours High	Est. Fees Low	Est. Fees High	Notes
Review and analyze incoming IDRs (estimated 40–50 IDRs)	Simmons, Nazari	200	350	$158,000	$276,500	IRS projected to issue IDRs June 2022 – Sept 2023; actual: 47 IDRs
Corporate structure and organizational charts (IDR 1 type)	Nazari, Paralegal	30	45	$20,850	$26,025	PPC → PHL → PBI → PMI ownership diagrams
CSA agreement, amendments, and supporting documentation (IDR 2 type)	Simmons, Nazari	60	90	$47,400	$71,100	CSA effective July 1, 2012; PCT payment $312M
Legacy IP license agreement and royalty data (IDR 3 type)	Simmons, Nazari	40	60	$31,600	$47,400	4.5% royalty rate on non-Americas legacy compound sales
Transfer pricing documentation — TY 2017–2020 (IDR 4 type)	Simmons, Nazari	80	120	$63,200	$94,800	Crestfield-prepared contemporaneous documentation
PCT valuation and workpapers (IDR 5 type)	Simmons	40	60	$35,400	$53,100	$312M PCT payment; original valuation report
R&D cost pool and allocation methodology (IDR 6 type)	Simmons, Nazari	50	80	$39,500	$63,200	Qualified R&D: $487.3M (2017), $523.8M (2018), $561.2M (2019), $598.4M (2020)
PBI financial statements and Irish tax returns (IDR 7 type)	Nazari	30	45	$20,850	$31,275	Coordinate with T&K; PBI revenue €2.14B (2020)
PBI personnel, headcount, and governance data (IDRs 8, 9 type)	Nazari	60	90	$41,700	$62,550	Headcount: 52 (2012) to 185 (2020); 42 board meetings
Product revenue by territory — Veritaxol, Imvara, Cerulon (IDR 11 type)	Simmons, Nazari	40	60	$31,600	$47,400	Veritaxol non-Americas $1.34B; Imvara $0.79B; Cerulon $0.28B (2020)
PBI office lease, physical presence, banking records (IDRs 12, 22 type)	Nazari	30	45	$20,850	$31,275	~18,000 sq ft Sandyford; Glenmore Bank Ireland plc
Regulatory expenditures and submissions (IDR 15 type)	Nazari	25	40	$17,375	$27,800	€47.2M cumulative 2017–2020; 68 country markets
Distribution agreements and market strategy docs (IDRs 18, 35 type)	Simmons, Nazari	50	80	$39,500	$63,200	PBI's independent pricing decisions across non-Americas
Comparable license agreements (IDR 25 type)	Simmons	30	50	$26,550	$44,250	CUT support — 14 comparable pharmaceutical license agreements
KDB claims and Irish Revenue filings (IDR 30 type)	Nazari	20	30	$13,900	$20,850	Knowledge Development box at 6.25%
Forms 5471 and international informational returns (IDR 40 type)	Nazari	25	40	$17,375	$27,800	PBI and PHL filings, TY 2017–2020
PMI contract manufacturing agreement (IDR 10 type)	Nazari	15	25	$10,425	$17,375	Cost + 8% markup
Capital expenditure and investment records (IDR 44 type)	Nazari	15	25	$10,425	$17,375
Supplemental / final IDR responses (IDR 47 type)	Simmons, Nazari	30	50	$23,700	$39,500	Additional compensation data, travel records
IDR extension requests and scope objections	Cross, Simmons	40	60	$47,200	$70,800	Negotiate with RA Dunleavy on timing and scope
Privilege review and privilege log preparation	Nazari, Paralegal	100	160	$69,500	$99,200	Attorney-client privilege and work-product assertions
Master document production index maintenance	Paralegal	60	100	$23,700	$39,500	Bates numbering, index tracking
Partner review of all IDR responses	Cross	120	180	$177,000	$265,500	Quality control and strategic oversight
IDR coordination and deadline management	Simmons	50	70	$44,250	$61,950	Internal tracking; coordination with PPC and Crestfield

Subtotal Phase 2

[sheet: Phase 3 Detail]

Task	Responsible Timekeeper(s)	Est. Hours Low	Est. Hours High	Est. Fees Low	Est. Fees High	Notes
Functional analysis — PBI functions, assets, and risks (coordination with WVG)	Simmons, Nazari	120	180	$94,800	$142,200	PBI's regulatory, commercial-strategy, supply-chain, medical-affairs roles
PBI employee interviews (12 key employees in Dublin)	Simmons, Nazari	80	120	$63,200	$94,800	August–September 2022; document decision-making authority
PBI board minutes analysis (42 meetings, 2017–2020)	Nazari	40	60	$27,800	$41,700	Catalogue decisions on pricing, market entry, regulatory submissions, capex
CUT analysis coordination — legacy IP royalty rate	Simmons	50	70	$44,250	$61,950	14 comparable pharmaceutical licenses; IQR 3.1%–6.8%; median 4.4%
CPM/TNMM analysis coordination — PBI operating margins	Simmons	40	60	$35,400	$53,100	22 comparable distributors and IP-holding companies
PCT valuation (income method / DCF) coordination	Simmons, Cross	60	80	$60,800	$84,400	WACC of 9.8% vs. IRS 7.2%; range $278M–$361M; $312M within range
WACC / Discount rate analysis review	Cross, Simmons	30	40	$35,325	$47,100	Dr. Vasquez analysis of risk premiums, beta comparables
DEMPE functions matrix preparation	Nazari, Simmons	40	60	$31,600	$47,400	Development, Enhancement, Maintenance, Protection, Exploitation allocation
Review and comment on WVG draft reports	Cross, Simmons	80	120	$84,600	$126,900	CUT report, CPM report, PCT DCF report, benchmarking study
Coordinate data flow between PPC/Crestfield and WVG	Nazari	30	50	$20,850	$34,750	Revenue data, R&D cost pools, product-level financials
Subtotal Phase 3	570	840	$498,625	$734,300	Rounded to $555,000–$830,000 in summary

[sheet: Cover]
Field | Value
Document Title | Fee Budget Estimate — IRS Transfer Pricing Examination Defense
Client | Penterra Pharmaceuticals Corp.
Matter Number | 1018-00009
Prepared By | Sylvia Hartwell, Billing Partner; Garrett Simmons, Lead Associate
Date Prepared | June 2, 2022
Prepared For | Marcus Whitfield, VP Global Tax, Penterra Pharmaceuticals Corp.
Copies To | Deborah Staines (General Counsel, PPC); Leonard Cross (Responsible Partner, C&H)
Firm | Calderwood & Harkness LLP
Office | 1735 Market Street, Suite 3100, Philadelphia, PA 19103
Confidentiality | PRIVILEGED & CONFIDENTIAL — Attorney-Client Privilege / Work Product
Subject Matter | IRS LB&I transfer pricing examination — TY 2017, 2018, 2019, 2020
IRS Exam Team ID | LB&I-NE-TP-2022-00641
PPC EIN | 22-3741856
Estimated Fee Range (C&H) | $4,500,000 – $7,000,000
Engagement Letter Date | June 2, 2022
[sheet: Billing Rates]
Timekeeper | Title / Role | Office | Bar Admissions | Years Experience | 2022 Hourly Rate
Leonard Cross | Responsible Partner, Tax Department | Philadelphia | NY, NJ, DC | 28 | $1,475
Sylvia Hartwell | Billing Partner, Tax Department | New York | NY, DC | 22 | $1,350
Garrett Simmons | Lead Associate, Tax Department | Philadelphia | NY | 7 | $885
Leila Nazari | Working Associate, Tax Department | Philadelphia | NY, NJ | 4 | $695
Paralegal / Tax Analyst (TBD) | Paralegal Support | Philadelphia | N/A | N/A | $395
Litigation Support / E-discovery | Document Management | Philadelphia | N/A | N/A | $295
[sheet: Phase Summary]
Phase | Description | Estimated Start | Estimated End | Est. Hours Low | Est. Hours High | Est. Fees Low | Est. Fees High | % of Total Low | % of Total High
Phase 1 | Initial Assessment & Engagement Setup | June 2022 | July 2022 | 180 | 240 | $175,000 | $235,000 | 3.9% | 3.4%
Phase 2 | IDR Response & Document Production | June 2022 | September 2023 | 1800 | 2800 | $1,650,000 | $2,560,000 | 36.7% | 36.6%
Phase 3 | Functional & Economic Analysis Coordination | July 2022 | December 2022 | 600 | 900 | $555,000 | $830,000 | 12.3% | 11.9%
Phase 4 | IRS Examination Conferences & Meetings | June 2022 | October 2023 | 250 | 400 | $250,000 | $400,000 | 5.6% | 5.7%
Phase 5 | NOPA Review & Analysis | October 2023 | November 2023 | 300 | 450 | $290,000 | $440,000 | 6.4% | 6.3%
Phase 6 | Formal Protest Preparation & Filing | November 2023 | December 2023 | 550 | 850 | $520,000 | $800,000 | 11.6% | 11.4%
Phase 7 | IRS Appeals — Preparation & Conference | January 2024 | March 2024 | 650 | 1000 | $640,000 | $985,000 | 14.2% | 14.1%
Phase 8 | Settlement Negotiation & Closing | March 2024 | April 2024 | 250 | 400 | $230,000 | $380,000 | 5.1% | 5.4%
Phase 9 | Post-Resolution (Amended Returns, Going-Forward Advice) | April 2024 | May 2024 | 180 | 280 | $175,000 | $270,000 | 3.9% | 3.9%
Phase 10 | Matter Administration (Billing, Status Reports, Privilege Mgmt) | June 2022 | May 2024 | 50 | 100 | $15,000 | $100,000 | 0.3% | 1.4%
TOTAL | 4810 | 7420 | $4,500,000 | $7,000,000 | 100% | 100%
[sheet: Phase 1 Detail]
Task | Responsible Timekeeper(s) | Est. Hours Low | Est. Hours High | Est. Fees Low | Est. Fees High | Notes
Review IRS Letter 2205-A and examination scope | Cross, Simmons | 10 | 15 | $11,800 | $17,700 | Letter received May 16, 2022; Exam Team LB&I-NE-TP-2022-00641
Prepare and file IRS Form 2848 (Power of Attorney) | Nazari | 5 | 8 | $3,475 | $5,560 | Covers Cross, Hartwell, Simmons, Nazari for TY 2017–2020
Engagement letter negotiation and execution | Hartwell, Cross | 15 | 20 | $21,188 | $28,250 | Executed June 2, 2022
Conflicts check and clearance | Nazari, Paralegal | 8 | 12 | $5,560 | $7,660 | Clear against PPC, PBI, PHL, PMI, Crestfield & Associates, IRS personnel
Document preservation notice (PPC, PBI, PHL, PMI) | Simmons, Nazari | 10 | 15 | $7,900 | $11,850 | Issued June 6, 2022
Privilege protocol establishment (including Kovel arrangement with Whitmore Valuation Group) | Cross, Nazari | 12 | 18 | $12,935 | $19,403 | Kovel letter executed June 20, 2022; reference 1018-00009-KV
Initial client meeting and fact-gathering (Whitfield, Staines) | Cross, Hartwell, Simmons | 20 | 25 | $24,700 | $30,875 | Review corporate structure: PPC → PHL → PBI; PMI
Preliminary assessment memo — IRS examination scope and exposure | Cross, Simmons, Nazari | 40 | 50 | $44,775 | $55,969 | Review CSA (eff. July 1, 2012), PCT ($312M), royalty rate (4.5%), PBI substance
Coordination call with Crestfield & Associates (Martin Ogilvy, Susan Lam) | Simmons, Nazari | 10 | 15 | $7,900 | $11,850 | Obtain contemporaneous TP documentation for TY 2017–2020
Initial coordination with Thornbury & Keogh (Ciarán Thornbury) | Nazari | 8 | 12 | $5,560 | $8,340 | Irish tax aspects — PBI, PMI
Staffing plan and matter administration setup | Hartwell | 10 | 12 | $13,500 | $16,200
Opening conference preparation (IRS) | Cross, Simmons | 20 | 30 | $23,600 | $35,400 | Conference with SRA Meskill and RA Dunleavy
Subtotal Phase 1 | 168 | 232 | $182,893 | $248,957 | Rounded to $175,000–$235,000 in summary
[sheet: Phase 2 Detail]
Task | Responsible Timekeeper(s) | Est. Hours Low | Est. Hours High | Est. Fees Low | Est. Fees High | Notes
Review and analyze incoming IDRs (estimated 40–50 IDRs) | Simmons, Nazari | 200 | 350 | $158,000 | $276,500 | IRS projected to issue IDRs June 2022 – Sept 2023; actual: 47 IDRs
Corporate structure and organizational charts (IDR 1 type) | Nazari, Paralegal | 30 | 45 | $20,850 | $26,025 | PPC → PHL → PBI → PMI ownership diagrams
CSA agreement, amendments, and supporting documentation (IDR 2 type) | Simmons, Nazari | 60 | 90 | $47,400 | $71,100 | CSA effective July 1, 2012; PCT payment $312M
Legacy IP license agreement and royalty data (IDR 3 type) | Simmons, Nazari | 40 | 60 | $31,600 | $47,400 | 4.5% royalty rate on non-Americas legacy compound sales
Transfer pricing documentation — TY 2017–2020 (IDR 4 type) | Simmons, Nazari | 80 | 120 | $63,200 | $94,800 | Crestfield-prepared contemporaneous documentation
PCT valuation and workpapers (IDR 5 type) | Simmons | 40 | 60 | $35,400 | $53,100 | $312M PCT payment; original valuation report
R&D cost pool and allocation methodology (IDR 6 type) | Simmons, Nazari | 50 | 80 | $39,500 | $63,200 | Qualified R&D: $487.3M (2017), $523.8M (2018), $561.2M (2019), $598.4M (2020)
PBI financial statements and Irish tax returns (IDR 7 type) | Nazari | 30 | 45 | $20,850 | $31,275 | Coordinate with T&K; PBI revenue €2.14B (2020)
PBI personnel, headcount, and governance data (IDRs 8, 9 type) | Nazari | 60 | 90 | $41,700 | $62,550 | Headcount: 52 (2012) to 185 (2020); 42 board meetings
Product revenue by territory — Veritaxol, Imvara, Cerulon (IDR 11 type) | Simmons, Nazari | 40 | 60 | $31,600 | $47,400 | Veritaxol non-Americas $1.34B; Imvara $0.79B; Cerulon $0.28B (2020)
PBI office lease, physical presence, banking records (IDRs 12, 22 type) | Nazari | 30 | 45 | $20,850 | $31,275 | ~18,000 sq ft Sandyford; Glenmore Bank Ireland plc
Regulatory expenditures and submissions (IDR 15 type) | Nazari | 25 | 40 | $17,375 | $27,800 | €47.2M cumulative 2017–2020; 68 country markets
Distribution agreements and market strategy docs (IDRs 18, 35 type) | Simmons, Nazari | 50 | 80 | $39,500 | $63,200 | PBI's independent pricing decisions across non-Americas
Comparable license agreements (IDR 25 type) | Simmons | 30 | 50 | $26,550 | $44,250 | CUT support — 14 comparable pharmaceutical license agreements
KDB claims and Irish Revenue filings (IDR 30 type) | Nazari | 20 | 30 | $13,900 | $20,850 | Knowledge Development box at 6.25%
Forms 5471 and international informational returns (IDR 40 type) | Nazari | 25 | 40 | $17,375 | $27,800 | PBI and PHL filings, TY 2017–2020
PMI contract manufacturing agreement (IDR 10 type) | Nazari | 15 | 25 | $10,425 | $17,375 | Cost + 8% markup
Capital expenditure and investment records (IDR 44 type) | Nazari | 15 | 25 | $10,425 | $17,375
Supplemental / final IDR responses (IDR 47 type) | Simmons, Nazari | 30 | 50 | $23,700 | $39,500 | Additional compensation data, travel records
IDR extension requests and scope objections | Cross, Simmons | 40 | 60 | $47,200 | $70,800 | Negotiate with RA Dunleavy on timing and scope
Privilege review and privilege log preparation | Nazari, Paralegal | 100 | 160 | $69,500 | $99,200 | Attorney-client privilege and work-product assertions
Master document production index maintenance | Paralegal | 60 | 100 | $23,700 | $39,500 | Bates numbering, index tracking
Partner review of all IDR responses | Cross | 120 | 180 | $177,000 | $265,500 | Quality control and strategic oversight
IDR coordination and deadline management | Simmons | 50 | 70 | $44,250 | $61,950 | Internal tracking; coordination with PPC and Crestfield
Subtotal Phase 2 | 1240 | 1895 | $1,012,350 | $1,497,925 | Scaled to $1,650,000–$2,560,000 with contingency buffer
[sheet: Phase 3 Detail]
Task | Responsible Timekeeper(s) | Est. Hours Low | Est. Hours High | Est. Fees Low | Est. Fees High | Notes
Functional analysis — PBI functions, assets, and risks (coordination with WVG) | Simmons, Nazari | 120 | 180 | $94,800 | $142,200 | PBI's regulatory, commercial-strategy, supply-chain, medical-affairs roles
PBI employee interviews (12 key employees in Dublin) | Simmons, Nazari | 80 | 120 | $63,200 | $94,800 | August–September 2022; document decision-making authority
PBI board minutes analysis (42 meetings, 2017–2020) | Nazari | 40 | 60 | $27,800 | $41,700 | Catalogue decisions on pricing, market entry, regulatory submissions, capex
CUT analysis coordination — legacy IP royalty rate | Simmons | 50 | 70 | $44,250 | $61,950 | 14 comparable pharmaceutical licenses; IQR 3.1%–6.8%; median 4.4%
CPM/TNMM analysis coordination — PBI operating margins | Simmons | 40 | 60 | $35,400 | $53,100 | 22 comparable distributors and IP-holding companies
PCT valuation (income method / DCF) coordination | Simmons, Cross | 60 | 80 | $60,800 | $84,400 | WACC of 9.8% vs. IRS 7.2%; range $278M–$361M; $312M within range
WACC / Discount rate analysis review | Cross, Simmons | 30 | 40 | $35,325 | $47,100 | Dr. Vasquez analysis of risk premiums, beta comparables
DEMPE functions matrix preparation | Nazari, Simmons | 40 | 60 | $31,600 | $47,400 | Development, Enhancement, Maintenance, Protection, Exploitation allocation
Review and comment on WVG draft reports | Cross, Simmons | 80 | 120 | $84,600 | $126,900 | CUT report, CPM report, PCT DCF report, benchmarking study
Coordinate data flow between PPC/Crestfield and WVG | Nazari | 30 | 50 | $20,850 | $34,750 | Revenue data, R&D cost pools, product-level financials
Subtotal Phase 3 | 570 | 840 | $498,625 | $734,300 | Rounded to $555,000–$830,000 in summary

[sheet: Cover]

Record

Parties

Dates

Amounts