ETF Pricing & Performance

Strategic Beta

Fund Name / Symbol

Principal Price Setters Index ETF ^{1,

2}

PSET

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

34.55 34.55 33.33 33.33

34.55 34.55 33.32 33.32

0.18 0.18 NA NA

0.20 0.20 NA NA

7.70 7.70 3.90 3.90

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

15.86 17.63 15.89 17.61

NA NA NA NA

14.77 15.66 14.77 15.64

3/21/16

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.29

0.40

10/31/18

SEC Yield %

Benchmark

1.06

NQPRCE

Morningstar Rating

Category: Large Growth

3 yrs: N/A

1265 funds

5 yrs: N/A

1137 funds

10 yrs: N/A

821 funds

Overall: N/A

1265 funds

Fund Name / Symbol

Principal Shareholder Yield Index ETF ^{1,

2}

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

33.30 33.30 32.50 32.50

33.30 33.30 32.49 32.49

0.32 0.32 NA NA

2.86 2.86 0.37 0.37

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

13.17 14.79 13.26 14.60

NA NA NA NA

14.27 15.08 14.38 15.18

3/21/16

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.29

0.40

6/30/18

10/31/18

SEC Yield %

Benchmark

1.75

NQSHYL

Morningstar Rating

Category: Mid-Cap Value

3 yrs: N/A

371 funds

5 yrs: N/A

315 funds

10 yrs: N/A

227 funds

Overall: N/A

371 funds

Fund Name / Symbol

Principal Healthcare Innovators Index ETF ^{1,

3,

4}

BTEC

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

35.47 35.47 34.74 34.74

35.49 35.49 34.74 34.74

0.22 0.22 NA NA

0.23 0.23 NA NA

13.18 13.18 10.87 10.87

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

21.83 23.05 21.74 23.04

NA NA NA NA

19.42 19.23 19.42 19.22

8/19/16

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.42

N/A

SEC Yield %

Benchmark

0.00

NQHCIN

Morningstar Rating

Category: Health

3 yrs: N/A

128 funds

5 yrs: N/A

120 funds

10 yrs: N/A

97 funds

Overall: N/A

128 funds

Fund Name / Symbol

Principal Millennials Index ETF ^{1,

5}

GENY

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

37.60 37.60 36.80 36.80

37.59 37.59 36.76 36.76

-0.04 -0.04 NA NA

0.00 0.00 NA NA

8.28 8.28 5.98 5.98

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

28.31 22.20 27.94 22.34

NA NA NA NA

23.93 23.01 23.99 23.36

8/19/16

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.45

N/A

SEC Yield %

Benchmark

0.40

NQGMOI

Morningstar Rating

Category: World Large Stock

3 yrs: N/A

727 funds

5 yrs: N/A

601 funds

10 yrs: N/A

344 funds

Overall: N/A

727 funds

Fund Name / Symbol

Principal U.S. Small-Cap Multi-Factor Index ETF ⁸

PSC

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

34.72 34.72 33.45 33.45

34.73 34.73 33.45 33.45

0.42 0.42 NA NA

0.44 0.44 NA NA

12.06 12.06 7.97 7.97

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

17.14 18.56 17.18 18.31

NA NA NA NA

18.93 19.14 18.94 19.12

9/21/16

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.38

N/A

SEC Yield %

Benchmark

0.90

NQUSSL

Morningstar Rating

Category: Small Blend

3 yrs: N/A

646 funds

5 yrs: N/A

547 funds

10 yrs: N/A

393 funds

Overall: N/A

646 funds

Fund Name / Symbol

Principal U.S. Mega-Cap Multi-Factor Index ETF ¹²

USMC

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

27.27 27.27 26.04 26.04

27.25 27.25 26.02 26.02

0.12 0.12 NA NA

0.13 0.13 NA NA

4.16 4.16 -0.53 -0.53

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

NA NA NA NA

4.73 9.59 4.80 9.65

10/11/17

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.12

0.15

10/31/18

SEC Yield %

Benchmark

2.10

NQMGUSL

Morningstar Rating

Category: Large Blend

3 yrs: N/A

1173 funds

5 yrs: N/A

1051 funds

10 yrs: N/A

776 funds

Overall: N/A

1173 funds

Fund Name / Symbol

Principal Sustainable Momentum Index ETF ^{2,

12}

PMOM

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

29.24 29.24 28.02 28.02

29.23 29.23 28.01 28.01

0.26 0.26 NA NA

0.28 0.28 NA NA

11.99 11.99 7.34 7.34

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

NA NA NA NA

12.62 14.67 12.64 14.69

10/18/17

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.29

N/A

SEC Yield %

Benchmark

0.54

NQSUMO

Morningstar Rating

Category: Large Growth

3 yrs: N/A

1265 funds

5 yrs: N/A

1137 funds

10 yrs: N/A

821 funds

Overall: N/A

1265 funds

Fund Name / Symbol

Principal Contrarian Value Index ETF ^{2,

12}

PVAL

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

27.00 27.00 26.14 26.14

26.99 26.99 26.12 26.12

0.21 0.21 NA NA

2.78 2.78 -0.51 -0.51

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

NA NA NA NA

5.15 8.76 5.21 8.82

10/18/17

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.29

N/A

SEC Yield %

Benchmark

1.28

NQUSCV

Morningstar Rating

Category: Mid-Cap Value

3 yrs: N/A

371 funds

5 yrs: N/A

315 funds

10 yrs: N/A

227 funds

Overall: N/A

371 funds

Fund Name / Symbol

Principal International Multi-Factor Index ETF ^{1,

2,

5}

PXUS

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

$ Price

$ NAV

$ Chg Price

$ Chg NAVChg NAV

% YTD (Price)YTD (Price)

97.36 97.36 99.23 99.23

97.01 97.01 99.34 99.34

0.16 0.16 NA NA

0.17 0.17 NA NA

-4.43 -4.43 -2.59 -2.59

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

1 yr

3 yr

5 yr

10 yr

Since
Incep

Incep
Date

NA NA NA NA

0.04 1.39 -0.07 1.64

11/8/17

Fund Expenses

Net Expense

Gross Expense

Expense Limit Expiration

Expense Waiver Expiration

0.39

N/A

SEC Yield %

Benchmark

2.05

NQDMSL

Morningstar Rating

Category: Foreign Large Blend

3 yrs: N/A

633 funds

5 yrs: N/A

536 funds

10 yrs: N/A

373 funds

Overall: N/A

633 funds

Footnotes

¹ Equity investments involve greater risk, including higher volatility, than fixed-income investment options.

² Mid-cap stocks may have additional risks, including greater price volatility.

³ Small and mid-cap stocks may have additional risks including greater price volatility.

⁴ Investments concentrated in the healthcare industry may be adversely impacted by sector specific market shocks, unforeseen rate controls or regulations, higher than expected costs, or inability to bring new products to market.

⁵ International and global investing involves greater risks such as currency fluctuations, political/social instability and differing accounting standards.

⁸ Small-cap stocks may have additional risks including greater price volatility.

¹² Equity investments involve greater risk, including heightened volatility, than fixed-income

*Morningstar® Ratings as of 7/31/18

Strategic Beta

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Fund Prices (as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%) (as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Expenses

Morningstar Rating

Disclosures

Footnotes

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)

Fund Prices
(as of 8/14/18) (as of 8/14/18) (as of 6/29/18) (as of 6/29/18)

Average Annual Total Returns (%)
(as of 7/31/18) (as of 7/31/18) (as of 6/30/18) (as of 6/30/18)